코드 리뷰 부탁 드립니다.

 <script>
      function solution(arr) {
        let answer = 0;
        let cross = 0;
        for (let i = 0; i < arr.length; i++) {
          cross += arr[i][i];
          let hang = 0;
          let yuel = 0;
          for (let j = 0; j < arr.length; j++) {
            hang += arr[i][j];
            yuel += arr[j][i];
          }
          if (answer < hang) {
            answer = hang;
          }
          if (answer < yuel) {
            answer = yuel;
          }
          // console.log(answer, tu);
        }
        return answer < cross ? cross : answer;
      }

      let arr = [
        [10, 13, 10, 12, 15],
        [12, 39, 30, 23, 11],
        [11, 25, 50, 53, 15],
        [19, 27, 29, 37, 27],
        [19, 13, 30, 13, 19],
      ];
      console.log(solution(arr));

let arr = [
  [10, 13, 10, 12, 100],
  [12, 39, 30, 100, 11],
  [11, 25, 100, 53, 15],
  [19, 100, 29, 37, 27],
  [100, 13, 30, 13, 19],
];
console.log(solution(arr));