Time: 149 ms (100.00%), Space: 37 MB (100.00%) - LeetHub

Author: hajin-kim

1758-minimum-changes-to-make-alternating-binary-string/1758-minimum-changes-to-make-alternating-binary-string.kt

@@ -0,0 +1,16 @@
+class Solution {
+    fun minOperations(s: String): Int {
+        var even = 0
+        var odd = 0
+
+        for (i in s.indices) {
+            val char = s[i]
+            if ((char == '0') == (i % 2 == 0))
+                ++even
+            else
+                ++odd
+        }
+
+        return minOf(even, odd)
+    }
+}