2716

include/solution/2716.h

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+//
+// 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

src/2716.c

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+//
+// 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;
+}

tests/test_2716.cpp

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+#include <gtest/gtest.h>
+#include <solution/2716.h>
+
+// 测试用例 1
+TEST(MinimizedStringLengthTest, Test1)
+{
+    char s[] = "aaabc";
+    int expected = 3;
+    EXPECT_EQ(minimizedStringLength(s), expected);
+}
+
+// 测试用例 2
+TEST(MinimizedStringLengthTest, Test2)
+{
+    char s[] = "cbbd";
+    int expected = 3;
+    EXPECT_EQ(minimizedStringLength(s), expected);
+}
+
+// 测试用例 3
+TEST(MinimizedStringLengthTest, Test3)
+{
+    char s[] = "dddaaa";
+    int expected = 2;
+    EXPECT_EQ(minimizedStringLength(s), expected);
+}
+
+// 测试用例 4
+TEST(MinimizedStringLengthTest, Test4)
+{
+    char s[] = "baadccab";
+    int expected = 4;
+    EXPECT_EQ(minimizedStringLength(s), expected);
+}