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  1. import collections
  2. import sys
  3.  
  4. inputt = sys.stdin.readline
  5. printt = sys.stdout.write
  6.  
  7. t = int(inputt())
  8. for _ in range(t):
  9.     func = list(inputt().rstrip())
  10.     n = int(inputt())
  11.     if n == 0:         # n = 0 경우의 예외 처리; 'D'가 주어진 함수에 포함되어 있다면 'error'를 출력하도록
  12.         if 'D' in func:
  13.             inputt()
  14.             nums = 'error\n'
  15.         else:
  16.             inputt()
  17.             nums = ''
  18.     else:
  19.         nums = collections.deque(map(int, inputt().lstrip('[').rstrip(']\n').split(',')))
  20.         cnt = 0
  21.         for i in range(len(func)):
  22.             if func[i] == "R":
  23.                 cnt += 1
  24.             elif func[i] == "D": # 'D' 전까지의 'R'의 개수에 따라 적절한 방향에서 pop
  25.                 if nums:
  26.                     if cnt % 2:
  27.                         nums.pop()
  28.                     else:
  29.                         nums.popleft()
  30.                 else:
  31.                     nums = 'error\n'
  32.                     break
  33.         if cnt % 2:
  34.             nums.reverse() # 만약 함수에 'R'이 홀수 개 포함되어 있다면 reverse
  35.     if nums != 'error\n':
  36.         printt('[' + ','.join(map(str, nums)) + ']\n')
  37.     else:
  38.         printt(nums)
  39.  
Runtime error #stdin #stdout #stderr 0.16s 23532KB
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stdin
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1
RDD
1
[1]
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 34, in <module>
AttributeError: 'str' object has no attribute 'reverse'
https://ideone.com/EjPrvN
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
secret

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