Problem1238--打印矩阵

1238: 打印矩阵

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 698  Solved: 410
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Description

打印N阶矩阵。N由用户输入
矩阵形式如下。
0 1 1
-1 0 1
-1 -1 0


0  1 1 1
-1 0  1 1
-1 -1 0 1
-1 -1 -1 0

Sample Input

2

Sample Output

0 1
-1 0

Source/Category

 

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