50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
f = open('INPUT.TXT')
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n = int(f.readline().strip())
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size = n * n
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grid = []
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for i in range(size):
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row = list(map(int, f.readline().split()))
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grid.append(row)
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f.close()
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valid_set = set(range(1, size + 1))
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correct = True
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for i in range(size):
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row_set = set(grid[i])
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if row_set != valid_set:
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correct = False
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break
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if correct:
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for j in range(size):
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col_set = set()
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for i in range(size):
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col_set.add(grid[i][j])
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if col_set != valid_set:
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correct = False
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break
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if correct:
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for block_row in range(n):
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for block_col in range(n):
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block_set = set()
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for i in range(n):
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for j in range(n):
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row = block_row * n + i
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col = block_col * n + j
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block_set.add(grid[row][col])
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if block_set != valid_set:
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correct = False
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break
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if not correct:
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break
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f = open('OUTPUT.TXT', 'w')
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if correct:
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f.write('Correct')
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else:
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f.write('Incorrect')
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f.close()
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