[2019 카카오 개발자 겨울인턴십] 크레인 인형뽑기 게임

import java.util.*;
class Solution {
    int[][] _board;
    Stack<Integer> basket;
    public int solution(int[][] board, int[] moves) {
        _board=board;
        int answer = 0;
        basket = new Stack<>();
        for(int i=0; i<moves.length; i++){
            grab(moves[i]-1);
           
            if(!basket.empty()){
                int temp = basket.pop();
                
                if(!basket.empty() ){
                    int temp2 = basket.pop();
                    if(temp==temp2){
                        answer=answer+2;
                    }else{
                        basket.push(temp2);
                        basket.push(temp);
                    }
                }else{
                    basket.push(temp);
                }
            }
        }
       
        return answer;
    }
    public void grab(int move){
        for(int i=0; i<_board.length; i++){
            if(_board[i][move]!=0){
                basket.push(_board[i][move]);
                _board[i][move]=0;
                break;
            }
        }
    }
}