80->100 length

function solve(input) {

  // judge: 80 / 100 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  let isMagical = false;
  let sumArrCells = [];
  let sumArrColumns = [];

  let len = input.length

  for (let i = 0; i < len; i++) {
    let currentArr = input[i];
    let sumCells = 0;
    for (let j = 0; j < len; j++) {
      let currentElement = currentArr[j];
      sumCells += currentElement;
    }
    sumArrCells.push(sumCells);
  }

  for (let i = 0; i < len; i++) {
    let sumColumns = 0;
    for (let j = 0; j < len; j++) {
      let current = input[j][i]
      sumColumns += current;
    }
    sumArrColumns.push(sumColumns);
  }

  for (let i = 0; i < len; i++) {
    if (sumArrCells[i] == sumArrCells[i + 1]) {
      isMagical = true;
    }
  }

  for (let i = 0; i < len; i++) {
    if (sumArrColumns[i] == sumArrColumns[i + 1]) {
      isMagical = true;
    }
  }
  console.log(isMagical);
}