Fix the sum bug on 0724-find-pivot-index.kt

hamed-rv · web-flow · commit de9b31393a81 · 2023-03-06T00:31:25.000Z
We have to minus the value with leftSum
diff --git a/kotlin/0724-find-pivot-index.kt b/kotlin/0724-find-pivot-index.kt
@@ -4,7 +4,7 @@ class Solution {
         var rightSum = 0
         for(num in nums) rightSum += num
         for(i in nums.indices){
-            if(leftSum == rightSum - nums[i]) return i
+            if(leftSum == rightSum - nums[i] - leftSum) return i
             leftSum += nums[i]
         }
         return -1

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@ class Solution {`
`4`	`4`	`var rightSum = 0`
`5`	`5`	`for(num in nums) rightSum += num`
`6`	`6`	`for(i in nums.indices){`
`7`		`- if(leftSum == rightSum - nums[i]) return i`
	`7`	`+ if(leftSum == rightSum - nums[i] - leftSum) return i`
`8`	`8`	`leftSum += nums[i]`
`9`	`9`	`}`
`10`	`10`	`return -1`