[프로그래머스] 크레인 인형뽑기 게임 (JavaScript)

제출한 코드

function solution(board, moves) {
    let answer = 0;
    let stack = [];
    const n = board.length;
    
    moves.forEach(m => {
        for (let i = 0; i < n; i++) {
            let doll = board[i][m - 1];
            if (doll !== 0) {
              if (doll === stack[stack.length - 1]) {
                stack.pop();
                board[i][m - 1] = 0;
                answer += 2;
              } else {
                stack.push(doll);
                board[i][m - 1] = 0;
              }
              break;
            }
        }
    })
    
    return answer;
}

문제 출처

https://programmers.co.kr/learn/courses/30/lessons/64061?language=javascript