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1373: C++二级辅导-对角线和
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:15
Solved:15
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Description
求一个
3×3
矩阵对角线元素之和。
Sample Input
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1 2 3 4 5 6 7 8 9
Sample Output
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15
Source/Category
黄金
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