#include <stdio.h> int main() { int n,i,j,a[10][10],sum=0; scanf("%d",&n); for(i=0;i<n;++i) for(j=0;j<n;++j) { scanf("%d",&a[i][j]); } for(i=0;i<n;++i) for(j=1;j<n;++j) sum+=a[i][j]; printf("%d",sum); return 0; } |
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