export function findPivot(nums: number[]): number {
  let indexFind = -1
  
  nums.forEach((_, index, arr) => {
    if (indexFind != -1) return
    const sumLeft = [...arr].splice(0, index + 1).reduce((a,b) => a+b)
    const sumRight = [...arr].splice(index, arr.length).reduce((a,b) => a+b)
    if(sumLeft == sumRight) indexFind = index
  })
  
  return indexFind;
}