Programmers Coding Quiz#24[ココア]キーボードを押す

問題の説明

せいげんじょうけん

I/O例

に答える

def solution(numbers, hand):
    left_side = (1,4,7) #이 숫자들은 무조건 왼손
    right_side = (3,6,9) #이 숫자들은 무조건 오른손
    
    left_pointer = '*' #왼손 마지막 위치
    right_pointer = '#' #오른손 마지막 위치
    
    #번호에 따른 좌표값(x축,y축)
    matrix = {'*':(0,0), 0:(1,0), '#':(2,0), 7:(0,1), 8:(1,1), 9:(2,1), 
        4:(0,2), 5:(1,2), 6:(2,2), 1:(0,3), 2:(1,3), 3:(2,3)}
    
    result = ''
    
    for v in numbers:
        if v in left_side:
            left_pointer = v
            result += 'L'
        elif v in right_side:
            right_pointer = v
            result += 'R'
        else:
            place = matrix[v]
            left = matrix[left_pointer]
            right = matrix[right_pointer]
            
            left_to_place_distance = abs(place[0]-left[0]) + abs(place[1]-left[1])
            right_to_place_distance = abs(place[0]-right[0]) + abs(place[1]-right[1])
            
            if left_to_place_distance > right_to_place_distance:
                right_pointer = v
                result += 'R'
            elif left_to_place_distance < right_to_place_distance:
                left_pointer = v
                result += 'L'
            else: 
                if hand == 'left':
                    left_pointer = v
                    result += 'L'
                else:
                    right_pointer = v
                    result += 'R'
    return result