function solution(arr) {
let answer = 0;
let arrLenth = arr.length;
let test = 0;
for (let i = 0; i < arrLenth; i++) {
for (let j = 0; j < arrLenth; j++) {
test++;
if (arr[i - 1] && arr[i - 1][j] && arr[i - 1][j] > arr[i][j]) continue;
if (arr[i + 1] && arr[i + 1][j] && arr[i + 1][j] > arr[i][j]) continue;
if (arr[i][j - 1] && arr[i][j - 1] > arr[i][j]) continue;
if (arr[i][j + 1] && arr[i][j + 1] > arr[i][j]) continue;
answer++;
}
}
console.log(answer);
}
별로 안좋은 코드일까요?