a016: 數獨(SUDOKU)

百千.IOhttps://zerojudge.tw/ShowProblem?problemid=a016

• def there_is_repeat_in_(a_list):
• return True if len(set(a_list)) < 9 else False
• while True:
• try:
• matrix_9x9 = [ input().split() for _ in range(9) ]
• for row in matrix_9x9:
• if there_is_repeat_in_(row):
• print('no')
• break
• else:
• for i,j in zip([0,0,0,3,3,3,6,6,6],[0,3,6]*3):
• matrix_3x3 = matrix_9x9[i][j:j+3] + matrix_9x9[i+1][j:j+3] + matrix_9x9[i+2][j:j+3]
• if there_is_repeat_in_(matrix_3x3):
• print('no')
• break
• else:
• print('yes')
• input() # 輸入中的任兩個矩陣中間有一個空行要已讀它
• except:
• break