Update Ubuntu mirror in test.yaml for dependency installation

.clang-format

@@ -1 +1 @@
-BasedOnStyle: Microsoft
+BasedOnStyle: Microsoft

.gitea/workflows/test.yaml

@@ -0,0 +1,36 @@
+name: Gitea CTest Workflow
+
+on:
+  push:
+    branches: [ "main", "master" ]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        run: |
+          git clone https://cantyonion.site/git/cantyonion/leetcode.git .
+
+      - name: Install Dependencies
+        run: |
+          sudo sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list.d/ubuntu.sources
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake
+
+      - name: Configure CMake
+        # -B build 创建构建目录，-S . 指定源代码在当前目录
+        run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release
+
+      - name: Build with CMake
+        # 使用 --parallel 充分利用 Runner 核心数
+        run: cmake --build build --parallel $(nproc)
+
+      - name: Run CTest via CMake
+        # 在 build 目录下运行 ctest
+        # --output-on-failure 可以在测试失败时直接看到 log
+        run: |
+          cd build
+          ctest --output-on-failure --parallel $(nproc)

CMakeLists.txt

@@ -1,30 +1,93 @@
-cmake_minimum_required(VERSION 3.30)
+cmake_minimum_required(VERSION 3.25)
-project(leetcode C)
+project(leetcode C CXX)
 
 set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(GTEST_VERSION 1.17.0)
+enable_testing()
+
+if (MSVC)
+    message(FATAL_ERROR "MSVC is not supported. Please use GCC or Clang.")
+endif ()
 
 include_directories(include)
 
+include(FetchContent)
+
 add_compile_options(
-    -Wall
+        -Wall
-    -Wextra
+        -Wextra
-    -O0
-    -g3
-    -fsanitize=address
-    -fsanitize=undefined
-    -fno-omit-frame-pointer
 )
 
-add_link_options(
+if (UNIX)
-    -fsanitize=address
+    add_compile_options(
-    -fsanitize=undefined
+            -fsanitize=address
+            -fsanitize=undefined
+    )
+    add_link_options(
+            -fsanitize=address
+            -fsanitize=undefined
+            -lm
+    )
+endif ()
+
+FetchContent_Declare(
+        googletest
+        URL https://gh-proxy.org/https://github.com/google/googletest/releases/download/v${GTEST_VERSION}/googletest-${GTEST_VERSION}.tar.gz
 )
 
+FetchContent_MakeAvailable(googletest)
+
 file(GLOB SRC_FILES "src/*.c")
 
-foreach(SRC_FILE ${SRC_FILES})
+set(EXECUTABLE_SOURCES
-    get_filename_component(EXE_NAME ${SRC_FILE} NAME_WE)
+        "${CMAKE_SOURCE_DIR}/src/13.c"
-    add_executable(${EXE_NAME} ${SRC_FILE})
+        "${CMAKE_SOURCE_DIR}/src/88.c"
-endforeach()
+        "${CMAKE_SOURCE_DIR}/src/100.c"
+        "${CMAKE_SOURCE_DIR}/src/101.c"
+        "${CMAKE_SOURCE_DIR}/src/104.c"
+        "${CMAKE_SOURCE_DIR}/src/108.c"
+        "${CMAKE_SOURCE_DIR}/src/110.c"
+        "${CMAKE_SOURCE_DIR}/src/111.c"
+        "${CMAKE_SOURCE_DIR}/src/112.c"
+        "${CMAKE_SOURCE_DIR}/src/136.c"
+        "${CMAKE_SOURCE_DIR}/src/141.c"
+        "${CMAKE_SOURCE_DIR}/src/144.c"
+        "${CMAKE_SOURCE_DIR}/src/145.c"
+        "${CMAKE_SOURCE_DIR}/src/160.c"
+        "${CMAKE_SOURCE_DIR}/src/168.c"
+        "${CMAKE_SOURCE_DIR}/src/169.c"
+        "${CMAKE_SOURCE_DIR}/src/171.c"
+        "${CMAKE_SOURCE_DIR}/src/190.c"
+        "${CMAKE_SOURCE_DIR}/src/191.c"
+        "${CMAKE_SOURCE_DIR}/src/202.c"
+        "${CMAKE_SOURCE_DIR}/src/219.c"
+        "${CMAKE_SOURCE_DIR}/src/225.c"
+        "${CMAKE_SOURCE_DIR}/src/228.c"
+        "${CMAKE_SOURCE_DIR}/src/231.c"
+        "${CMAKE_SOURCE_DIR}/src/263.c"
+        "${CMAKE_SOURCE_DIR}/src/268.c"
+        "${CMAKE_SOURCE_DIR}/src/278.c"
+        "${CMAKE_SOURCE_DIR}/src/338.c"
+        "${CMAKE_SOURCE_DIR}/src/374.c"
+        "${CMAKE_SOURCE_DIR}/src/2786.c"
+        "${CMAKE_SOURCE_DIR}/src/3110.c"
+)
 
+foreach (src_file IN LISTS EXECUTABLE_SOURCES)
+    get_filename_component(exe_name "${src_file}" NAME_WE)
+    add_executable(${exe_name} ${src_file})
+endforeach ()
+
+set(LIBRARY_SOURCES)
+
+foreach (SRC_FILE ${SRC_FILES})
+    if (NOT SRC_FILE IN_LIST EXECUTABLE_SOURCES)
+        list(APPEND LIBRARY_SOURCES ${SRC_FILE})
+    endif ()
+endforeach ()
+
+add_library(leetcode STATIC ${LIBRARY_SOURCES})
+
+add_subdirectory(tests)

include/solution/1025.h

@@ -0,0 +1,16 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#ifndef INC_1025_H
+#define INC_1025_H
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    bool divisorGame(int n);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1025_H

include/solution/1039.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-09-29
+
+#ifndef INC_1039_H
+#define INC_1039_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int minScoreTriangulation(int *values, int valuesSize);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1039_H

include/solution/1137.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#ifndef INC_1137_H
+#define INC_1137_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int tribonacci(int n);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1137_H

include/solution/1233.h

@@ -0,0 +1,11 @@
+#ifndef INC_1233_H
+#define INC_1233_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    char **removeSubfolders(char **folder, int folderSize, int *returnSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/1290.h

@@ -0,0 +1,12 @@
+#ifndef INC_1290_H
+#define INC_1290_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <ListNode.h>
+    int getDecimalValue(struct ListNode *head);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/1353.h

@@ -0,0 +1,17 @@
+//
+// Created by gint on 2025/7/7.
+//
+
+#ifndef INC_1353_H
+#define INC_1353_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    int maxEvents(int **events, int eventsSize, int *eventsColSize);
+
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1353_H

include/solution/1534.h

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/4/14.
+//
+
+#ifndef INC_1534_H
+#define INC_1534_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int countGoodTriplets(int *arr, int arrSize, int a, int b, int c);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1534_H

include/solution/1668.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#ifndef INC_1668_H
+#define INC_1668_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int maxRepeating(char *sequence, char *word);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_1668_H

include/solution/1717.h

@@ -0,0 +1,11 @@
+#ifndef INC_1717_H
+#define INC_1717_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int maximumGain(char *s, int x, int y);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/1900.h

@@ -0,0 +1,11 @@
+#ifndef INC_1900_H
+#define INC_1900_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int *earliestAndLatest(int n, int firstPlayer, int secondPlayer, int *returnSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/1957.h

@@ -0,0 +1,11 @@
+#ifndef INC_1957_H
+#define INC_1957_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    char *makeFancyString(char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/2163.h

@@ -0,0 +1,11 @@
+#ifndef INC_2163_H
+#define INC_2163_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    long long minimumDifference(int *nums, int numsSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/232.h

@@ -0,0 +1,36 @@
+#ifndef INC_232_H
+#define INC_232_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+
+    typedef struct
+    {
+        int *base;
+        int ptr;
+        int size;
+    } stack;
+
+    typedef struct
+    {
+        stack *s1;
+        stack *s2;
+    } MyQueue;
+
+    MyQueue *myQueueCreate();
+
+    void myQueuePush(MyQueue *obj, int x);
+
+    int myQueuePop(MyQueue *obj);
+
+    int myQueuePeek(MyQueue *obj);
+
+    bool myQueueEmpty(MyQueue *obj);
+
+    void myQueueFree(MyQueue *obj);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/2410.h

@@ -0,0 +1,11 @@
+#ifndef INC_2410_H
+#define INC_2410_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int matchPlayersAndTrainers(int *players, int playersSize, int *trainers, int trainersSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/258.h

@@ -0,0 +1,11 @@
+#ifndef INC_258_H
+#define INC_258_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int addDigits(int num);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/2711.h

@@ -0,0 +1,16 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+
+#ifndef INC_2711_H
+#define INC_2711_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int **differenceOfDistinctValues(int **grid, int gridSize, int *gridColSize, int *returnSize,
+                                     int **returnColumnSizes);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_2711_H

include/solution/2712.h

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/3/27.
+//
+
+#ifndef INC_2712_H
+#define INC_2712_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    long long minimumCost(char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_2712_H

include/solution/2716.h

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/3/28.
+//
+
+#ifndef INC_2716_H
+#define INC_2716_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int minimizedStringLength(char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_2716_H

include/solution/2829.h

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/3/26.
+//
+
+#ifndef INC_2829_H
+#define INC_2829_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int minimumSum(int n, int k);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_2829_H

include/solution/290.h

@@ -0,0 +1,12 @@
+#ifndef INC_290_H
+#define INC_290_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool wordPattern(char *pattern, char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/2974.h

@@ -0,0 +1,18 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+
+#ifndef INC_2974_H
+#define INC_2974_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    /**
+     * Note: The returned array must be malloced, assume caller calls free().
+     */
+    int *numberGame(int *nums, int numsSize, int *returnSize);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_2974_H

include/solution/303.h

@@ -0,0 +1,21 @@
+#ifndef INC_303_H
+#define INC_303_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    typedef struct
+    {
+        int *data;
+        int size;
+    } NumArray;
+
+    NumArray *numArrayCreate(int *nums, int numsSize);
+
+    int numArraySumRange(NumArray *obj, int left, int right);
+
+    void numArrayFree(NumArray *obj);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/3136.h

@@ -0,0 +1,12 @@
+#ifndef INC_3136_H
+#define INC_3136_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool isValid(char *word);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/3169.h

@@ -0,0 +1,15 @@
+//
+// Created by gint on 2025/7/11.
+//
+
+#ifndef INC_3169_H
+#define INC_3169_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int countDays(int days, int **meetings, int meetingsSize, int *meetingsColSize);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_3169_H

include/solution/3201.h

@@ -0,0 +1,11 @@
+#ifndef INC_3201_H
+#define INC_3201_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int maximumLength(int *nums, int numsSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/3202.h

@@ -0,0 +1,11 @@
+#ifndef INC_3202_H
+#define INC_3202_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int maximumLength(int *nums, int numsSize, int k);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/326.h

@@ -0,0 +1,12 @@
+#ifndef INC_326_H
+#define INC_326_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool isPowerOfThree(int n);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/338.h

@@ -0,0 +1,28 @@
+//
+// Created by aurora on 2024/9/16.
+//
+
+#ifndef LEETCODE_338_H
+#define LEETCODE_338_H
+//  给你一个整数 n ，对于 0 <= i <= n 中的每个 i ，计算其二进制表示中 1 的个数 ，返回一个长度为 n + 1 的数组 ans
+//  作为答案。 示例 1： 输入：n = 2 输出：[0,1,1] 解释： 0 --> 0 1 --> 1 2 --> 10
+//
+//  示例 2：
+//  输入：n = 5
+//  输出：[0,1,1,2,1,2]
+//  解释：
+//  0 --> 0
+//  1 --> 1
+//  2 --> 10
+//  3 --> 11
+//  4 --> 100
+//  5 --> 101
+//
+//  提示：
+//  0 <= n <= 105
+//
+//  进阶：
+//  很容易就能实现时间复杂度为 O(n log n) 的解决方案，你可以在线性时间复杂度 O(n) 内用一趟扫描解决此问题吗？
+//  你能不使用任何内置函数解决此问题吗？（如，C++ 中的 __builtin_popcount ）
+int *countBits(int n, int *returnSize);
+#endif // LEETCODE_338_H

include/solution/3397.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-10-18
+
+#ifndef INC_3397_H
+#define INC_3397_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int maxDistinctElements(int* nums, int numsSize, int k);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_3397_H

include/solution/3427.h

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+
+#ifndef INC_3427_H
+#define INC_3427_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int subarraySum(int *nums, int numsSize);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_3427_H

include/solution/345.h

@@ -0,0 +1,11 @@
+#ifndef INC_345_H
+#define INC_345_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    char *reverseVowels(char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/367.h

@@ -0,0 +1,16 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+
+#ifndef INC_367_H
+#define INC_367_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool isPerfectSquare(int num);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_367_H

include/solution/387.h

@@ -0,0 +1,11 @@
+#ifndef INC_387_H
+#define INC_387_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int firstUniqChar(char *s);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/392.h

@@ -0,0 +1,12 @@
+#ifndef INC_392_H
+#define INC_392_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool isSubsequence(char *s, char *t);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/509.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#ifndef INC_509_H
+#define INC_509_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int fib(int n);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_509_H

include/solution/746.h

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#ifndef INC_746_H
+#define INC_746_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    int minCostClimbingStairs(int *cost, int costSize);
+#ifdef __cplusplus
+}
+#endif
+#endif // INC_746_H

include/solution/976.h

@@ -0,0 +1,11 @@
+#ifndef INC_976_H
+#define INC_976_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+int largestPerimeter(int* nums, int numsSize);
+#ifdef __cplusplus
+}
+#endif
+#endif

include/solution/lcp_67.h

@@ -0,0 +1,16 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+
+#ifndef LCP_67_H
+#define LCP_67_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <TreeNode.h>
+    struct TreeNode *expandBinaryTree(struct TreeNode *root);
+#ifdef __cplusplus
+}
+#endif
+#endif // LCP_67_H

mkfile.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+import sys
+import datetime
+
+if len(sys.argv) != 2:
+    print("Usage: mkfile.py <filename>")
+    sys.exit(1)
+
+filename = sys.argv[1]
+
+# create header file
+with open(f"./include/solution/{filename.lower()}.h", "w") as f:
+    f.write("// This file is generated by mkfile.py\n")
+    f.write(f"// Date: {datetime.datetime.now().strftime('%Y-%m-%d')}\n\n")
+    f.write(f"#ifndef INC_{filename.upper()}_H\n")
+    f.write(f"#define INC_{filename.upper()}_H\n")
+    f.write("#ifdef __cplusplus\n")
+    f.write("extern \"C\"\n")
+    f.write("{\n")
+    f.write("#endif\n\n")
+    f.write("#ifdef __cplusplus\n")
+    f.write("}\n")
+    f.write("#endif\n")
+    f.write(f"#endif // INC_{filename.upper()}_H\n")
+    f.close()
+
+# create source file
+with open(f"./src/{filename.lower()}.c", "w") as f:
+    f.write("// This file is generated by mkfile.py\n")
+    f.write(f"// Date: {datetime.datetime.now().strftime('%Y-%m-%d')}\n\n")
+    f.write(f'#include <solution/{filename.lower()}.h>\n')
+    f.close()
+
+# create test file
+with open(f"./tests/test_{filename.lower()}.cpp", "w") as f:
+    f.write("// This file is generated by mkfile.py\n")
+    f.write(f"// Date: {datetime.datetime.now().strftime('%Y-%m-%d')}\n\n")
+    f.write(f'#include <solution/{filename.lower()}.h>\n')
+    f.write("#include <gtest/gtest.h>\n")
+    f.close()

src/1025.c

@@ -0,0 +1,7 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+#include <solution/1025.h>
+bool divisorGame(int n)
+{
+    return n % 2 == 0;
+}

src/1039.c

@@ -0,0 +1,30 @@
+// This file is generated by mkfile.py
+// Date: 2025-09-29
+
+#include <limits.h>
+#include <solution/1039.h>
+
+#define min(x, y) (x) < (y) ? (x) : (y)
+
+int minScoreTriangulation(int *values, int valuesSize)
+{
+    int dp[valuesSize][valuesSize];
+    for (int i = 0; i < valuesSize; i++)
+        for (int j = 0; j < valuesSize; j++)
+            dp[i][j] = 0;
+
+    for (int len = 2; len < valuesSize; len++)
+    {
+        for (int i = 0; i + len < valuesSize; i++)
+        {
+            int j = i + len;
+            dp[i][j] = INT_MAX;
+
+            for (int k = i + 1; k < j; k++)
+            {
+                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j] + values[i] * values[j] * values[k]);
+            }
+        }
+    }
+    return dp[0][valuesSize - 1];
+}

src/104.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 
 int max(const int a, const int b)
 {

src/108.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <stdlib.h>
 
 struct TreeNode *sortedArrayToBST(int *nums, int numsSize)

src/110.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <math.h>
 #include <stdbool.h>
 #include <stdlib.h>

src/111.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <math.h>
 
 int minDepth(struct TreeNode *root)

src/112.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <stdbool.h>
 
 bool in_order(struct TreeNode *root, int target, int sum)

src/1137.c

@@ -0,0 +1,17 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#include <solution/1137.h>
+int tribonacci(int n)
+{
+    int dp[n + 1];
+    dp[0] = 0;
+    if (n >= 1)
+        dp[1] = 1;
+    if (n >= 2)
+        dp[2] = 1;
+    for (int i = 3; i <= n; i++)
+        dp[i] = dp[i - 3] + dp[i - 2] + dp[i - 1];
+
+    return dp[n];
+}

src/119.c

@@ -0,0 +1,25 @@
+#include <stdlib.h>
+
+/**
+ * Note: The returned array must be malloced, assume caller calls free().
+ */
+int *getRow(int rowIndex, int *returnSize)
+{
+    int *ret = NULL;
+
+    *returnSize = sizeof(int) * rowIndex + 1;
+    ret = (int *)malloc(*returnSize);
+
+    if (rowIndex == 0)
+        ret[0] = 1;
+    else if (rowIndex == 1)
+        ret[0] = ret[1] = 1;
+    else
+    {
+    }
+    return ret;
+}
+
+int main()
+{
+}

src/1233.c

@@ -0,0 +1,30 @@
+#include <solution/1233.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+bool startwith(char *p, char *s)
+{
+    for (; *p && *s; p++, s++)
+        if (*p != *s)
+            return false;
+
+    return (!*p && *s) || (!*p && !*s);
+}
+
+char **removeSubfolders(char **folder, int folderSize, int *returnSize)
+{
+    char **ret = malloc(sizeof(char *));
+    *returnSize = 1;
+
+    ret[0] = folder[0];
+    for (int i = 1; i < folderSize; i++)
+    {
+        if (startwith(ret[*(returnSize)-1], folder[i]))
+            continue;
+
+        ret = realloc(ret, sizeof(char *) * ++(*returnSize));
+        ret[*returnSize - 1] = folder[i];
+    }
+
+    return ret;
+}

src/1290.c

@@ -0,0 +1,12 @@
+#include <solution/1290.h>
+
+int getDecimalValue(struct ListNode *head)
+{
+    int x = 0;
+    while (head)
+    {
+        x = (x << 1) + head->val;
+        head = head->next;
+    }
+    return x;
+}

src/1353.c

@@ -0,0 +1,91 @@
+//
+// Created by gint on 2025/7/7.
+//
+#include <stdlib.h>
+
+int cmpEvent(const void *a, const void *b)
+{
+    int *eventA = *(int **)a;
+    int *eventB = *(int **)b;
+    return eventA[0] - eventB[0];
+}
+
+int compare(const void *a, const void *b)
+{
+    return *(int *)a - *(int *)b;
+}
+
+// 简易小根堆操作
+void push(int *heap, int *size, int val)
+{
+    int i = (*size)++;
+    heap[i] = val;
+    while (i > 0 && heap[(i - 1) / 2] > heap[i])
+    {
+        int tmp = heap[i];
+        heap[i] = heap[(i - 1) / 2];
+        heap[(i - 1) / 2] = tmp;
+        i = (i - 1) / 2;
+    }
+}
+
+int pop(int *heap, int *size)
+{
+    int result = heap[0];
+    heap[0] = heap[--(*size)];
+    int i = 0;
+    while (i * 2 + 1 < *size)
+    {
+        int j = i * 2 + 1;
+        if (j + 1 < *size && heap[j + 1] < heap[j])
+            j++;
+        if (heap[i] <= heap[j])
+            break;
+        int tmp = heap[i];
+        heap[i] = heap[j];
+        heap[j] = tmp;
+        i = j;
+    }
+    return result;
+}
+
+int maxEvents(int **events, int eventsSize, int *eventsColSize)
+{
+    qsort(events, eventsSize, sizeof(int *), cmpEvent);
+
+    int minDay = events[0][0], maxDay = 0;
+    for (int i = 0; i < eventsSize; i++)
+    {
+        if (events[i][1] > maxDay)
+            maxDay = events[i][1];
+    }
+
+    int heap[eventsSize];
+    int heapSize = 0;
+
+    int day = minDay, idx = 0, res = 0;
+
+    for (day = minDay; day <= maxDay; day++)
+    {
+        // 把今天开始的会议加进堆
+        while (idx < eventsSize && events[idx][0] == day)
+        {
+            push(heap, &heapSize, events[idx][1]);
+            idx++;
+        }
+
+        // 去掉已过期的会议
+        while (heapSize > 0 && heap[0] < day)
+        {
+            pop(heap, &heapSize);
+        }
+
+        // 选择今天可以开的最早结束的会议
+        if (heapSize > 0)
+        {
+            pop(heap, &heapSize);
+            res++;
+        }
+    }
+    return res;
+}

src/141.c

@@ -1,4 +1,4 @@
-#include "include/ListNode.h"
+#include "ListNode.h"
 #include <stdbool.h>
 
 bool hasCycle(struct ListNode *head)

src/144.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <stdlib.h>
 
 struct list_t

src/145.c

@@ -1,4 +1,4 @@
-#include "include/TreeNode.h"
+#include "TreeNode.h"
 #include <stdlib.h>
 
 struct list_t

src/1534.c

@@ -0,0 +1,17 @@
+//
+// Created by xfj12 on 2025/4/14.
+//
+#include <stdlib.h>
+#include <solution/1534.h>
+int countGoodTriplets(int *arr, int arrSize, int a, int b, int c)
+{
+    int count = 0;
+
+    for (int i = 0; i < arrSize; i++)
+        for (int j = i + 1; j < arrSize; j++)
+            for (int k = j + 1; k < arrSize; k++)
+                if (abs(arr[i] - arr[j]) <= a && abs(arr[j] - arr[k]) <= b && abs(arr[i] - arr[k]) <= c)
+                    count++;
+
+    return count;
+}

src/1668.c

@@ -0,0 +1,38 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#include <solution/1668.h>
+#include <stdbool.h>
+#include <string.h>
+
+#define max(x, y) ((x) > (y) ? (x) : (y))
+
+int maxRepeating(char *sequence, char *word)
+{
+    int n = strlen(sequence), m = strlen(word);
+    if (n < m)
+        return 0;
+
+    int dp[n];
+    memset(dp, 0, sizeof(dp));
+    for (int i = m - 1; i < n; i++)
+    {
+        bool valid = true;
+        for (int j = 0; j < m; j++)
+        {
+            if (sequence[i - m + 1 + j] != word[j])
+            {
+                valid = false;
+                break;
+            }
+        }
+        if (valid)
+            dp[i] = (i == m - 1 ? 0 : dp[i - m]) + 1;
+    }
+
+    int ret = dp[0];
+    for (int i = 1; i < n; i++)
+        ret = max(ret, dp[i]);
+
+    return ret;
+}

src/168.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+char *convertToTitle(int columnNumber)
+{
+    char *ret = malloc(2);
+    int size = 1;
+
+    while (columnNumber > 0)
+    {
+        columnNumber--;
+        const int mod = columnNumber % 26;
+        columnNumber /= 26;
+        ret[size - 1] = 'A' + mod;
+
+        size++;
+        ret = realloc(ret, size + 1);
+    }
+
+    ret[size - 1] = '\0';
+
+    for (int i = 0, j = size - 2; i < j; i++, j--)
+    {
+        const char tmp = ret[i];
+        ret[i] = ret[j];
+        ret[j] = tmp;
+    }
+
+    return ret;
+}
+
+int main()
+{
+    char *ans = convertToTitle(2147483647);
+    printf("%s\n", ans);
+    free(ans);
+    return 0;
+}

src/171.c

@@ -0,0 +1,25 @@
+#include <assert.h>
+#include <math.h>
+#include <string.h>
+
+
+int titleToNumber(char *columnTitle)
+{
+    int colnum = 0;
+    int csize = strlen(columnTitle);
+    for (int i = 0; i < csize; i++)
+    {
+        colnum += (columnTitle[i] - 'A' + 1) * pow(26, csize - i - 1);
+    }
+
+    return colnum;
+}
+
+int main()
+{
+    assert(titleToNumber("A") == 1);
+    assert(titleToNumber("AB") == 28);
+    assert(titleToNumber("ZY") == 701);
+
+    return 0;
+}

src/1717.c

@@ -0,0 +1,91 @@
+#include <solution/1717.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct
+{
+    char *base;
+    size_t size;
+    size_t top;
+} stack_t;
+
+void init_stack(stack_t *s)
+{
+    s->base = malloc(sizeof(char) * 10);
+    s->size = 10;
+    s->top = 0;
+}
+
+void push(stack_t *s, char c)
+{
+    if (s->top + 1 >= s->size)
+    {
+        s->size += 10;
+        s->base = realloc(s->base, sizeof(char) * s->size);
+    }
+    s->base[++(s->top)] = c;
+}
+
+char pop(stack_t *s)
+{
+    if (s->top == 0)
+        return '\0';
+    return s->base[(s->top)--];
+}
+
+void clear(stack_t *s)
+{
+    s->top = 0;
+}
+
+char top(stack_t *s)
+{
+    return s->base[s->top];
+}
+
+char *sts(stack_t *s)
+{
+    char *ret = malloc(sizeof(char) * (s->top + 1));
+
+    memcpy(ret, s->base + 1, s->top);
+    ret[s->top] = '\0';
+
+    return ret;
+}
+
+void delete_stack(stack_t *s)
+{
+    free(s->base);
+}
+
+char *del(char *s, char m1, char m2, int *score, int v)
+{
+    stack_t st;
+    init_stack(&st);
+    while (*s)
+    {
+        if (top(&st) == m1 && *s == m2)
+        {
+            s += 1, *score += v;
+            pop(&st);
+        }
+        else
+            push(&st, *(s++));
+    }
+
+    char *r = sts(&st);
+    delete_stack(&st);
+    return r;
+}
+
+int maximumGain(char *s, int x, int y)
+{
+    int score = 0;
+    if (x > y)
+        del(del(s, 'a', 'b', &score, x), 'b', 'a', &score, y);
+    else
+        del(del(s, 'b', 'a', &score, y), 'a', 'b', &score, x);
+
+    return score;
+}

src/1900.c

@@ -0,0 +1,6 @@
+#include <solution/1900.h>
+
+int *earliestAndLatest(int n, int firstPlayer, int secondPlayer, int *returnSize)
+{
+    return 0;
+}

src/1957.c

@@ -0,0 +1,13 @@
+#include <solution/1957.h>
+#include <string.h>
+
+char *makeFancyString(char *s)
+{
+    int d[26] = {0};
+    int len = strlen(s);
+    for (int i = len - 1; i >= 0; i--)
+        if (++(d[s[i] - 'a']) > 3)
+            for (int j = i; j < len - 1; j++)
+                s[j] = s[j + 1];
+    return s;
+}

src/2163.c

@@ -0,0 +1,4 @@
+#include <solution/2163.h>
+long long minimumDifference(int *nums, int numsSize)
+{
+}

src/219.c

@@ -0,0 +1,32 @@
+//
+// Created by xfj12 on 2025/3/24.
+//
+#include <assert.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+bool containsNearbyDuplicate(int *nums, int numsSize, int k)
+{
+    for (int i = 0; i < numsSize; i++)
+    {
+        for (int j = i; j < numsSize; j++)
+        {
+            if (abs(i - j) > k)
+                continue;
+            if (nums[i] == nums[j] && i != j)
+                return true;
+        }
+    }
+
+    return false;
+}
+
+int main()
+{
+    int nums1[] = {1, 2, 3, 1};
+    assert(containsNearbyDuplicate(nums1, sizeof(nums1) / sizeof(int), 3) == true);
+    int nums2[] = {1, 0, 1, 1};
+    assert(containsNearbyDuplicate(nums2, sizeof(nums2) / sizeof(int), 1) == true);
+    int nums3[] = {1, 2, 3, 1, 2, 3};
+    assert(containsNearbyDuplicate(nums3, sizeof(nums3) / sizeof(int), 2) == false);
+}

src/225.c

@@ -65,4 +65,4 @@ int main()
     assert(myStackEmpty(s) == false);
 
     return 0;
-}
+}

src/228.c

@@ -122,4 +122,4 @@ int main()
 
     free(s);
     return 0;
-}
+}

src/231.c

@@ -24,4 +24,4 @@ int main()
     assert(isPowerOfTwo(2) == true);
     assert(isPowerOfTwo(0) == false);
     assert(isPowerOfTwo(1) == true);
-}
+}

src/232.c

@@ -0,0 +1,72 @@
+#include <solution/232.h>
+#include <stdlib.h>
+
+MyQueue *myQueueCreate()
+{
+    MyQueue *q = (MyQueue *)malloc(sizeof(MyQueue));
+    q->s1 = (stack *)malloc(sizeof(stack));
+    q->s2 = (stack *)malloc(sizeof(stack));
+
+    q->s1->size = q->s2->size = 10;
+    q->s1->ptr = q->s2->ptr = 0;
+
+    q->s1->base = (int *)malloc(sizeof(int) * 10);
+    q->s2->base = (int *)malloc(sizeof(int) * 10);
+
+    return q;
+}
+
+void myQueuePush(MyQueue *obj, int x)
+{
+    if (obj->s1->ptr > obj->s1->size)
+    {
+        obj->s1->base = (int *)realloc(obj->s1->base, sizeof(int) * (obj->s1->size + 10));
+        obj->s2->base = (int *)realloc(obj->s2->base, sizeof(int) * (obj->s1->size + 10));
+        obj->s1->size = obj->s2->size = obj->s1->size + 10;
+    }
+    obj->s1->base[(obj->s1->ptr)++] = x;
+}
+
+int myQueuePop(MyQueue *obj)
+{
+    int ret;
+
+    while (obj->s1->ptr)
+        obj->s2->base[(obj->s2->ptr)++] = obj->s1->base[--(obj->s1->ptr)];
+
+    ret = obj->s2->base[--(obj->s2->ptr)];
+
+    while (obj->s2->ptr)
+        obj->s1->base[(obj->s1->ptr)++] = obj->s2->base[--(obj->s2->ptr)];
+
+    return ret;
+}
+
+int myQueuePeek(MyQueue *obj)
+{
+    int ret;
+
+    while (obj->s1->ptr)
+        obj->s2->base[(obj->s2->ptr)++] = obj->s1->base[--(obj->s1->ptr)];
+
+    ret = obj->s2->base[obj->s2->ptr - 1];
+
+    obj->s1->ptr = obj->s2->ptr;
+    obj->s2->ptr = 0;
+
+    return ret;
+}
+
+bool myQueueEmpty(MyQueue *obj)
+{
+    return !obj->s1->ptr;
+}
+
+void myQueueFree(MyQueue *obj)
+{
+    free(obj->s1->base);
+    free(obj->s2->base);
+    free(obj->s1);
+    free(obj->s2);
+    free(obj);
+}

src/2410.c

@@ -0,0 +1,30 @@
+#include <solution/2410.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+int cmp(const void *a, const void *b)
+{
+    return *(int *)a - *(int *)b;
+}
+
+int matchPlayersAndTrainers(int *players, int playersSize, int *trainers, int trainersSize)
+{
+    qsort(trainers, trainersSize, sizeof(int), cmp);
+    qsort(players, playersSize, sizeof(int), cmp);
+
+    int match = 0;
+    for (int i = 0, j = 0; i < playersSize && j < trainersSize; i++)
+    {
+        for (; j < trainersSize; j++)
+        {
+            if (trainers[j] >= players[i])
+            {
+                match++;
+                j++;
+                break;
+            }
+        }
+    }
+
+    return match;
+}

src/258.c

@@ -0,0 +1,16 @@
+#include <solution/258.h>
+
+int addDigits(int num)
+{
+    do
+    {
+        int n = 0;
+        while (num)
+        {
+            n += num % 10;
+            num /= 10;
+        }
+        num = n;
+    } while (num >= 10);
+    return num;
+}

src/263.c

@@ -28,4 +28,4 @@ int main()
     assert(isUgly(14) == 0);
     assert(isUgly(8) == 1);
     return 0;
-}
+}

src/268.c

@@ -36,4 +36,4 @@ int main()
 
 fail:
     return -1;
-}
+}

src/2711.c

@@ -0,0 +1,76 @@
+#include <assert.h>
+#include <solution/2711.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int differentElementNum(int *elem, int size)
+{
+    int sum = 0;
+    int *temp = NULL;
+    for (int i = 0; i < size; i++)
+    {
+        bool flag = true;
+        // check same elem
+        for (int j = 0; j < sum; j++)
+            if (elem[i] == temp[j])
+                flag = false;
+        // if not in temp, add to temp
+        if (flag)
+        {
+            temp = realloc(temp, ++sum * sizeof(int));
+            temp[sum - 1] = elem[i];
+        }
+    }
+
+    free(temp);
+    return sum;
+}
+
+/**
+ * Return an array of arrays of size *returnSize.
+ * The sizes of the arrays are returned as *returnColumnSizes array.
+ * Note: Both returned array and *columnSizes array must be malloced, assume caller calls free().
+ */
+int **differenceOfDistinctValues(int **grid, int gridSize, int *gridColSize, int *returnSize, int **returnColumnSizes)
+{
+    int **answer = (int **)malloc(sizeof(int *) * gridSize);
+    *returnColumnSizes = (int *)malloc(gridSize * sizeof(int));
+    for (int r = 0; r < gridSize; r++)
+    {
+        answer[r] = (int *)malloc(sizeof(int) * gridColSize[r]);
+        (*returnColumnSizes)[r] = gridColSize[r];
+        for (int c = 0; c < gridColSize[r]; c++)
+        {
+            // calc topLeft array
+            int *topLeftElements = NULL;
+            int topLeftSize = 0;
+            int topLeft = 0;
+            for (int x = r - 1, y = c - 1; x >= 0 && y >= 0; x--, y--)
+            {
+                // add element to array
+                topLeftElements = realloc(topLeftElements, ++topLeftSize * sizeof(int));
+                topLeftElements[topLeftSize - 1] = grid[x][y];
+            }
+            topLeft = differentElementNum(topLeftElements, topLeftSize);
+
+            // calc bottomRight array
+            int *bottomRightElements = NULL;
+            int bottomRightSize = 0;
+            int bottomRight = 0;
+            for (int x = r + 1, y = c + 1; x < gridSize && y < gridColSize[r]; x++, y++)
+            {
+                bottomRightElements = realloc(bottomRightElements, ++bottomRightSize * sizeof(int));
+                bottomRightElements[bottomRightSize - 1] = grid[x][y];
+            }
+            bottomRight = differentElementNum(bottomRightElements, bottomRightSize);
+
+            answer[r][c] = abs(topLeft - bottomRight);
+            free(bottomRightElements);
+            free(topLeftElements);
+        }
+    }
+
+    *returnSize = gridSize;
+    return answer;
+}

src/2712.c

@@ -0,0 +1,18 @@
+//
+// Created by xfj12 on 2025/3/27.
+//
+#include <solution/2712.h>
+#include <string.h>
+#define min(a, b) (a < b) ? (a) : (b)
+
+long long minimumCost(char *s)
+{
+    int n = strlen(s);
+    long long ans = 0;
+
+    for (int i = 1; i < n; i++)
+        if (s[i] != s[i - 1])
+            ans += min(i, n - i);
+
+    return ans;
+}

src/2716.c

@@ -0,0 +1,26 @@
+//
+// Created by xfj12 on 2025/3/28.
+//
+#include <solution/2716.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+int minimizedStringLength(char *s)
+{
+    int n = strlen(s);
+    int size = 0;
+    char *temp = malloc(n);
+    for (int i = 0; i < n; i++)
+    {
+        bool flag = true;
+        for (int j = 0; j < size && flag; j++)
+            if (s[i] == temp[j])
+                flag = false;
+        if (flag)
+            temp[size++] = s[i];
+    }
+
+    free(temp);
+    return size;
+}

src/278.c

@@ -45,4 +45,4 @@ int main()
     return 0;
 fail:
     return -1;
-}
+}

src/2829.c

@@ -0,0 +1,31 @@
+//
+// Created by xfj12 on 2025/3/26.
+//
+#include <solution/2829.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+int minimumSum(int n, int k)
+{
+    int *KAvoid = malloc(sizeof(int) * n);
+    int idx = 1;
+    KAvoid[0] = 1;
+
+    int sum = 0;
+
+    for (int i = 2; idx < n; i++)
+    {
+        bool flag = true;
+        for (int j = 0; j < idx && flag; j++)
+            if (KAvoid[j] + i == k)
+                flag = false;
+        if (flag)
+            KAvoid[idx++] = i;
+    }
+
+    for (int i = 0; i < n; i++)
+        sum += KAvoid[i];
+
+    free(KAvoid);
+    return sum;
+}

src/290.c

@@ -0,0 +1,73 @@
+#include <solution/290.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *foundValue(char **d, char k)
+{
+    int idx = k - 'a';
+    return d[idx];
+}
+
+int foundKeyCount(char **d, char *v)
+{
+    int count = 0;
+    for (int i = 0; i < 26; i++)
+        if (d[i] && strcmp(v, d[i]) == 0)
+            count++;
+
+    return count;
+}
+
+void freeDict(char **d)
+{
+    for (int i = 0; i < 26; i++)
+        free(d[i]);
+    free(d);
+}
+
+int insertValue(char **d, char k, char *v)
+{
+    int idx = k - 'a';
+    if (d[idx] != NULL)
+        return -1;
+    d[idx] = malloc(strlen(v) + 1);
+    memcpy(d[idx], v, strlen(v) + 1);
+
+    return foundKeyCount(d, v);
+}
+
+bool preCheck(char *p, char *s)
+{
+    int s_count = 0;
+    for (; *s != '\0'; s++)
+        if (*s == ' ')
+            s_count++;
+    return s_count + 1 == strlen(p);
+}
+
+bool wordPattern(char *pattern, char *s)
+{
+    if (!preCheck(pattern, s))
+        return false;
+
+    char **d = calloc(26, sizeof(char *));
+    char *token = strtok(s, " ");
+
+    for (int i = 0; i < strlen(pattern) && token != NULL; i++, token = strtok(NULL, " "))
+    {
+        switch (insertValue(d, pattern[i], token))
+        {
+        case 1:
+            break;
+        case -1:
+            if (strcmp(token, foundValue(d, pattern[i])) == 0)
+                break;
+        default:
+            freeDict(d);
+            return false;
+        }
+    }
+
+    freeDict(d);
+    return true;
+}

src/2974.c

@@ -0,0 +1,52 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+#include <solution/2974.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int findMinElement(int *nums, int numsSize, int *returnIndex)
+{
+    int min = nums[0];
+    *returnIndex = 0;
+    for (int i = 1; i < numsSize; ++i)
+    {
+        if (nums[i] < min)
+        {
+            min = nums[i];
+            *returnIndex = i;
+        }
+    }
+    return min;
+}
+
+void removeElement(int *nums, int numsSize, int idx)
+{
+    for (int i = idx; i < numsSize - 1; ++i)
+        nums[i] = nums[i + 1];
+}
+
+int *numberGame(int *nums, int numsSize, int *returnSize)
+{
+    int *result = malloc(sizeof(int) * numsSize);
+    *returnSize = 0;
+
+    while (numsSize > 0)
+    {
+        int aliceIndex;
+        const int alice = findMinElement(nums, numsSize, &aliceIndex);
+        removeElement(nums, numsSize--, aliceIndex);
+
+        int bobIndex;
+        const int bob = findMinElement(nums, numsSize, &bobIndex);
+        removeElement(nums, numsSize--, bobIndex);
+
+        result[(*returnSize)++] = bob;
+        result[(*returnSize)++] = alice;
+    }
+
+    for (int i = 0; i < numsSize; ++i)
+        printf("%d ", result[i]);
+
+    return result;
+}

src/303.c

@@ -0,0 +1,44 @@
+#define PREFIX
+
+#include <solution/303.h>
+#include <stdlib.h>
+
+#ifdef PREFIX
+#else
+#include <string.h>
+#endif
+
+NumArray *numArrayCreate(int *nums, int numsSize)
+{
+    NumArray *ret = malloc(sizeof(NumArray));
+    ret->size = numsSize;
+#ifdef PREFIX
+    ret->data = malloc(sizeof(int) * (numsSize + 1));
+    ret->data[0] = 0;
+    for (int i = 0; i < numsSize; i++)
+        ret->data[i + 1] = ret->data[i] + nums[i];
+#else
+    ret->data = malloc(sizeof(int) * numsSize);
+    memcpy(ret->data, nums, sizeof(int) * numsSize);
+#endif
+    return ret;
+}
+
+int numArraySumRange(NumArray *obj, int left, int right)
+{
+#ifdef PREFIX
+    return obj->data[right + 1] - obj->data[left];
+#else
+    int sum = 0;
+    for (int i = left; i <= right; i++)
+        sum += obj->data[i];
+
+    return sum;
+#endif
+}
+
+void numArrayFree(NumArray *obj)
+{
+    free(obj->data);
+    free(obj);
+}

src/3110.c

@@ -0,0 +1,21 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+//
+// Created by xfj12 on 2025/3/24.
+//
+
+int scoreOfString(char *s)
+{
+    int score = 0;
+    for (int i = 0; i < strlen(s) - 1; i++)
+        score += abs(s[i] - s[i + 1]);
+
+    return score;
+}
+
+int main()
+{
+    assert(scoreOfString("hello") == 13);
+    assert(scoreOfString("zaz") == 50);
+}

src/3136.c

@@ -0,0 +1,33 @@
+#include <ctype.h>
+#include <solution/3136.h>
+
+bool isVowel(char c)
+{
+    return c == 'a' || c == 'A' || c == 'e' || c == 'E' || c == 'i' || c == 'I' || c == 'o' || c == 'O' || c == 'u' ||
+           c == 'U';
+}
+
+bool isConsonant(char c)
+{
+    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) && !isVowel(c);
+}
+
+bool isValid(char *word)
+{
+    int length = 0;
+    bool haveVowel = false;
+    bool haveConsonant = false;
+
+    for (; *word != '\0'; word++, length++)
+    {
+        haveVowel = haveVowel || isVowel(*word);
+        haveConsonant = haveConsonant || isConsonant(*word);
+        if (!isdigit(*word) && !isVowel(*word) && !isConsonant(*word))
+            return false;
+    }
+
+    if (length < 3)
+        return false;
+
+    return haveVowel && haveConsonant;
+}

src/3169.c

@@ -0,0 +1,42 @@
+//
+// Created by gint on 2025/7/11.
+//
+#include <solution/3169.h>
+#include <stdio.h>
+#include <stdlib.h>
+int cmpMeetings(const void *a, const void *b)
+{
+    int *ma = *(int **)a;
+    int *mb = *(int **)b;
+    if (ma[0] != mb[0])
+        return ma[0] - mb[0];
+    return ma[1] - mb[1];
+}
+
+void mergeMeeting(int *meetingA, int *meetingB)
+{
+    meetingA[0] = meetingA[0] < meetingB[0] ? meetingA[0] : meetingB[0];
+    meetingA[1] = meetingA[1] > meetingB[1] ? meetingA[1] : meetingB[1];
+}
+
+int countDays(int days, int **meetings, int meetingsSize, int *meetingsColSize)
+{
+    int count = 0;
+    qsort(meetings, meetingsSize, sizeof(int *), cmpMeetings);
+
+    for (int i = 1; i < meetingsSize; i++)
+        if (meetings[i - 1][1] >= meetings[i][0])
+            mergeMeeting(meetings[i], meetings[i - 1]);
+
+    for (int i = 1; i < meetingsSize; i++)
+        if (meetings[i - 1][0] != meetings[i][0])
+            count += meetings[i][0] - meetings[i - 1][1] - 1;
+
+    if (meetings[0][0] != 1)
+        count += meetings[0][0] - 1;
+
+    if (meetings[meetingsSize - 1][1] < days)
+        return count + days - meetings[meetingsSize - 1][1];
+
+    return count;
+}

src/3201.c

@@ -0,0 +1,13 @@
+#include <solution/3201.h>
+
+#define max(x, y) ((x) > (y) ? (x) : (y))
+
+int maximumLength(int *nums, int numsSize)
+{
+    int odd = 0, even = 0, odd_cnt = 0;
+
+    for (int i = 0; i < numsSize; i++)
+        nums[i] & 1 ? (odd = even + 1, odd_cnt++) : (even = odd + 1);
+
+    return max(max(even, odd), max(odd_cnt, numsSize - odd_cnt));
+}

src/3202.c

@@ -0,0 +1,5 @@
+#include <solution/3202.h>
+
+int maximumLength(int *nums, int numsSize, int k)
+{
+}

src/326.c

@@ -0,0 +1,23 @@
+#define METHOD 2
+#include <solution/326.h>
+
+bool isPowerOfThree(int n)
+{
+#if METHOD == 1
+    if (n <= 0)
+        return false;
+
+    while (n != 1)
+    {
+        if (n % 3 != 0)
+            return false;
+        n /= 3;
+    }
+
+    return true;
+#elif METHOD == 2
+    // 在题目给定的 32 位有符号整数的范围内，最大的 3 的幂为 3^19 = 1162261467。
+    // 我们只需要判断 n 是否是 3^19 的约数即可。
+    return n > 0 && 1162261467 % n == 0;
+#endif
+}

src/338.c

@@ -0,0 +1,44 @@
+//
+// Created by aurora on 2024/9/16.
+//
+#include <assert.h>
+#include <solution/338.h>
+#include <stdlib.h>
+
+#define ASSERT(x, expect)                                                                                              \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        int retSize;                                                                                                   \
+        int *ret;                                                                                                      \
+        ret = countBits(x, &retSize);                                                                                  \
+        for (int i = 0; i < retSize; i++)                                                                              \
+            assert(ret[i] == expect[i]);                                                                               \
+        free(ret);                                                                                                     \
+    } while (0)
+
+int *countBits(int n, int *returnSize)
+{
+    *returnSize = n + 1;
+    int *ret = (int *)malloc(sizeof(int) * (*returnSize));
+    ret[0] = 0;
+    for (int i = 1; i <= n; i++)
+    {
+        ret[i] = ret[i >> 1] + (i & 1);
+        // equal to the following expression
+        // if (i % 2 == 0)
+        //     ret[i] = ret[i / 2];
+        // else
+        //     ret[i] = ret[i - 1] + 1;
+    }
+
+    return ret;
+}
+
+int main()
+{
+    int t1[] = {0, 1, 1};
+    ASSERT(2, t1);
+    int t2[] = {0, 1, 1, 2, 1, 2};
+    ASSERT(5, t2);
+    return 0;
+}

src/3397.c

@@ -0,0 +1,41 @@
+// This file is generated by mkfile.py
+// Date: 2025-10-18
+
+#include <solution/3397.h>
+#include <stdlib.h>
+int cmp(const void *a, const void *b)
+{
+    return *(int *)a - *(int *)b;
+}
+
+int maxDistinctElements(int *nums, int numsSize, int k)
+{
+    if (numsSize == 0)
+        return 0;
+
+    qsort(nums, numsSize, sizeof(int), cmp);
+    int result = 1;
+    int prev = nums[0] - k;
+
+    for (int i = 1; i < numsSize; i++)
+    {
+        int min = nums[i] - k;
+        int max = nums[i] + k;
+
+        if (prev >= min)
+        {
+            if (max <= prev)
+            {
+                continue;
+            }
+            prev += 1;
+        }
+        else
+        {
+            prev = min;
+        }
+        result++;
+    }
+
+    return result;
+}

src/3427.c

@@ -0,0 +1,15 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+#include <solution/3427.h>
+
+#define max(a, b) ((a) > (b) ? (a) : (b))
+
+int subarraySum(int *nums, int numsSize)
+{
+    int sum = 0;
+    for (int i = 0; i < numsSize; i++)
+        for (int j = max(0, i - nums[i]); j <= i; j++)
+            sum += nums[j];
+    return sum;
+}

src/345.c

@@ -0,0 +1,32 @@
+#include <solution/345.h>
+#include <string.h>
+
+#define equal(x)                                                                                                       \
+    ((x) == 'a' || (x) == 'A' || (x) == 'e' || (x) == 'E' || (x) == 'i' || (x) == 'I' || (x) == 'o' || (x) == 'O' ||   \
+     (x) == 'u' || (x) == 'U')
+
+#define swap(x, y, cb)                                                                                                 \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        char t = x;                                                                                                    \
+        x = y;                                                                                                         \
+        y = t;                                                                                                         \
+        cb;                                                                                                            \
+    } while (0)
+
+char *reverseVowels(char *s)
+{
+    for (int i = 0, j = strlen(s) - 1, f = 1; i < j;)
+    {
+        if (f && equal(s[i]))
+            f = 0;
+        else if (f)
+            i++;
+        else if (!f && equal(s[j]))
+            swap(s[i], s[j], (f = 1, i++, j--));
+        else
+            j--;
+    }
+
+    return s;
+}

src/367.c

@@ -0,0 +1,16 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+#include <solution/367.h>
+#include <stdint.h>
+
+bool isPerfectSquare(int num)
+{
+    for (int64_t i = 1;; i++)
+    {
+        if (i * i > num)
+            return false;
+        if (i * i == num)
+            return true;
+    }
+}

src/374.c

@@ -49,4 +49,4 @@ int main()
 
 fail:
     return -1;
-}
+}

src/387.c

@@ -0,0 +1,17 @@
+#include <solution/387.h>
+#include <string.h>
+
+int firstUniqChar(char *s)
+{
+    int hash[26];
+    memset(hash, 0, sizeof(int) * 26);
+
+    for (int idx = 0; s[idx]; idx++)
+        hash[s[idx] - 'a']++;
+
+    for (int idx = 0; s[idx]; idx++)
+        if (hash[s[idx] - 'a'] == 1)
+            return idx;
+
+    return -1;
+}

src/392.c

@@ -0,0 +1,10 @@
+#include <solution/392.h>
+
+bool isSubsequence(char *s, char *t)
+{
+    for (; *s && *t; t++)
+        if (*s == *t)
+            s++;
+
+    return !*s;
+}

src/509.c

@@ -0,0 +1,14 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#include <solution/509.h>
+int fib(int n)
+{
+    int dp[n + 1];
+    dp[0] = 0;
+    if (n >= 1)
+        dp[1] = 1;
+    for (int i = 2; i <= n; i++)
+        dp[i] = dp[i - 1] + dp[i - 2];
+    return dp[n];
+}

src/746.c

@@ -0,0 +1,15 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#include <solution/746.h>
+
+#define min(x, y) ((x) < (y) ? (x) : (y))
+int minCostClimbingStairs(int *cost, int costSize)
+{
+    int dp[costSize + 1];
+    dp[0] = dp[1] = 0;
+    for (int i = 2; i <= costSize; i++)
+        dp[i] = min(dp[i - 1] + cost[i - 1], dp[i - 2] + cost[i - 2]);
+
+    return dp[costSize];
+}

src/976.c

@@ -0,0 +1,27 @@
+#include <solution/976.h>
+#include <stdlib.h>
+
+int cmp(const void *a, const void *b)
+{
+    return *(const int *)b - *(const int *)a;
+}
+
+int largestPerimeter(int *nums, int numsSize)
+{
+    qsort(nums, numsSize, sizeof(int), cmp);
+    int i = 0, j = 1;
+
+    while (i < numsSize - 2 && j < numsSize - 1)
+    {
+        int k = j + 1;
+        if (nums[i] < nums[j] + nums[k])
+            return nums[i] + nums[j] + nums[k];
+        else
+        {
+            j++;
+            i++;
+        }
+    }
+
+    return 0;
+}

src/lcp_67.c

@@ -0,0 +1,37 @@
+//
+// Created by xfj12 on 2025/3/25.
+//
+#include <solution/lcp_67.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void inorder(struct TreeNode *root)
+{
+    if (root == NULL)
+        return;
+    inorder(root->left);
+    if (root->left != NULL && root->val != -1)
+    {
+        struct TreeNode *p = root->left;
+        root->left = malloc(sizeof(struct TreeNode));
+        root->left->left = p;
+        root->left->right = NULL;
+        root->left->val = -1;
+    }
+
+    if (root->right != NULL && root->val != -1)
+    {
+        struct TreeNode *p = root->right;
+        root->right = malloc(sizeof(struct TreeNode));
+        root->right->right = p;
+        root->right->left = NULL;
+        root->right->val = -1;
+    }
+    inorder(root->right);
+}
+
+struct TreeNode *expandBinaryTree(struct TreeNode *root)
+{
+    inorder(root);
+    return root;
+}