2712

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;
+}