Create0724-find-pivot-index.kt

Author: a93a

Diff for: kotlin/0724-find-pivot-index.kt

@@ -0,0 +1,12 @@
+class Solution {
+    fun pivotIndex(nums: IntArray): Int {
+        var leftSum = 0
+        var rightSum = 0
+        for(num in nums) rightSum += num
+        for(i in nums.indices){
+            if(leftSum == rightSum - nums[i]) return i
+            leftSum += nums[i]
+        }
+        return -1
+    }
+}