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hajin-kim · hajin-kim · commit e48cc915751d · 2023-12-25T04:44:11.000+09:00
diff --git a/1758-minimum-changes-to-make-alternating-binary-string/1758-minimum-changes-to-make-alternating-binary-string.kt b/1758-minimum-changes-to-make-alternating-binary-string/1758-minimum-changes-to-make-alternating-binary-string.kt
@@ -1,16 +1,13 @@
 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)
+        return minOf(even, s.length - even)
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -1,16 +1,13 @@`
`1`	`1`	`class Solution {`
`2`	`2`	`fun minOperations(s: String): Int {`
`3`	`3`	`var even = 0`
`4`		`- var odd = 0`
`5`	`4`
`6`	`5`	`for (i in s.indices) {`
`7`	`6`	`val char = s[i]`
`8`	`7`	`if ((char == '0') == (i % 2 == 0))`
`9`	`8`	`++even`
`10`		`- else`
`11`		`- ++odd`
`12`	`9`	`}`
`13`	`10`
`14`		`- return minOf(even, odd)`
	`11`	`+ return minOf(even, s.length - even)`
`15`	`12`	`}`
`16`	`13`	`}`