LeetCode 724. Find Pivot Index (Java)

class Solution {

public int pivotIndex(int[] nums) {

int sum, leftsum;

sum = 0;

leftsum = 0;

for(int x:nums){

sum+=x;

}

for(int i=0; i<nums.length; i++){

//System.out.println(leftsum+" "+i);

if(leftsum==sum-leftsum-nums[i]){

return i;

}

leftsum += nums[i];

}

//System.out.println(sum);

return -1;

}

}