def solution(board, moves): answer = 0 box = [] li = [[0]*len(board[0]) for _ in range(len(board))] # 열별로 나열 for i in range(len(board[0])) : for k in range(len(board)) : li[i][k] = board[k][i] for move in moves : while (li[move-1][0] == 0) : li[move-1].pop(0) if len(box) >= 1 and box[-1] == li[move-1][0] : del box[-1] del li[move-1][0] answer += 2 else : box.append(li[move-1][0]) del li[move-1][..