[Codetree] 문자에 따른 명령 2 Python

https://www.codetree.ai/missions/5/problems/text-based-commands2/description

코드트리 | 코딩테스트 준비를 위한 알고리즘 정석

 

import sys

input = sys.stdin.readline

# N, E, S, W
dx = [0, 1, 0, -1]
dy = [1, 0, -1, 0]

nx = 0
ny = 0
nd = 0

order = list(input().rstrip())

for o in order:
    if o == 'L':    
        nd = (nd+3)%4

    elif o == 'R':
        nd = (nd+1)%4

    else:
        nx = nx + dx[nd]
        ny = ny + dy[nd]

print(nx, ny)