Created
March 16, 2019 17:52
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| #! /usr/bin/env python | |
| # -*- coding: utf-8 -*- | |
| # vim:fenc=utf-8 | |
| # | |
| # Copyright © 2019 g <g@ABCL> | |
| # | |
| # Distributed under terms of the MIT license. | |
| # 7 - 1 | |
| m = [[int(x) for x in input().split()] for i in range(int(input()))] | |
| ut = [[m[i][j] if j >= i else 0 for j in range(len(m))] for i in range(len(m))] | |
| for i in range(len(m)): | |
| if i != 0: | |
| print() | |
| print(*ut[i], end='') | |
| # 7 - 2 | |
| m = [[int(x) for x in input().split()] for i in range(int(input()))] | |
| print('YES' if m == list(map(list, zip(*m))) else 'NO', end='') | |
| # 7 - 3 | |
| n, m = [int(x) for x in input().split()] | |
| for i in range(n): | |
| if any( | |
| map(lambda x: x != 0 and x != 1, | |
| [int(x) for x in input().split()])): | |
| print('NO', end='') | |
| __import__('sys').exit() | |
| print('YES', end='') |
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