codility

codility.md

function solution(A) {
  let result = 0;

  for (let element of A) {
    result ^= element
  }

  return result
}

function solution(A) {
  let left = 0;
  let right = 0;
  const arr = [];
  const sum = A.reduce((a, b) => a + b);

  for (let i=0; i<A.length; i++) {
    left += A[i];
    right = sum -left;
    arr.push(Math.abs(left-right));
  }

  return Math.min(...arr);

}

const input = [3,1,2,4,3];

console.log(solution(input));