using static System.Math;
using System.Collections;
public int solution(int[] A) {
int sum = 0, leftSum = 0, rightSum = 0, newMin = 0 , min = 0;
for(int i = 0; i<A.Length; i++){
for (int j = 1; j < A.Length; j++){
rightSum = sum - leftSum;
min = newMin = Math.Abs(leftSum - rightSum);
newMin = Math.Abs(leftSum - rightSum);
min = Math.Min(min, newMin) ;