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30 lines
334 B
C++
30 lines
334 B
C++
//判断对称矩阵
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#include<stdio.h>
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int main()
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{
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int n, a[10][10];
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int i, j, sum=0;
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scanf("%d",&n);
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for(i=0;i<n;i++)
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{
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for(j=0;j<n;j++)
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{
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scanf("%d", &a[i][j]);
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}
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}
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for(i=0;i<n;i++)
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{
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for(j=0;j<n;j++)
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{
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if(a[i][j]!=a[j][i])
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{
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printf("No\n");
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return 0;
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}
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}
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}
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printf("Yes\n");
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return 0;
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}
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