509

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];
+}