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  1. import sys
  2. import copy
  3.  
  4.  
  5. def check_board(board, N):
  6.     ret = 0
  7.     for i in range(N):
  8.         res = 1
  9.         for j in range(N - 1):
  10.             if board[i][j] == board[i][j + 1]:
  11.                 res += 1
  12.         if res > ret:
  13.             ret = res
  14.  
  15.     for i in range(N):
  16.         res = 1
  17.         for j in range(N - 1):
  18.             if board[j][i] == board[j + 1][i]:
  19.                 res += 1
  20.         if res > ret:
  21.             ret = res
  22.  
  23.     return ret
  24.  
  25.  
  26. N = int(sys.stdin.readline())
  27. board = []
  28. candy_cnt = 0
  29. for i in range(N):
  30.     board.append(sys.stdin.readline().replace('\n', ''))
  31.  
  32. for i in range(N):
  33.     for j in range(N - 1):
  34.         tmp = copy.deepcopy(board)
  35.         if tmp[i][j] != tmp[i][j + 1]:
  36.             tmp[i] = tmp[i][:j] + tmp[i][j + 1] + tmp[i][j] + tmp[i][j + 2:]
  37.             res = check_board(tmp, N)
  38.             if res > candy_cnt:
  39.                 candy_cnt = res
  40.  
  41. for i in range(N):
  42.     for j in range(N - 1):
  43.         tmp = copy.deepcopy(board)
  44.         if tmp[j][i] != tmp[j + 1][i]:
  45.             tmp_row = tmp[j][:i] + tmp[j + 1][i] + tmp[j][i + 1:]
  46.             tmp[j + 1] = tmp[j + 1][:i] + tmp[j][i] + tmp[j + 1][i + 1:]
  47.             tmp[j] = tmp_row
  48.             res = check_board(tmp, N)
  49.             if res > candy_cnt:
  50.                 candy_cnt = res
  51.  
  52. print(candy_cnt)
  53.  
Success #stdin #stdout 0.02s 9388KB
comments (?)
stdin
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5
YCPZY
CYZZP
CCPPP
YCYZC
CPPZZ
stdout
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4
https://ideone.com/CmWgkv
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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