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- ///Suma elementelor de deasupra diagonalei principale
- #include <iostream>
- using namespace std;
- int main()
- {
- int a[100][100],n,i,j,s=0;
- cout<<"n=";
- cin>>n;
- for(i=1;i<=n;i++)
- for(j=1;j<=n;j++)
- {
- cout<<"a["<<i<<"]["<<j<<"]=";
- cin>>a[i][j];
- }
- for(i=1;i<=n;i++)
- {
- for(j=1;j<=n;j++)
- cout<<a[i][j]<<' ';
- cout<<endl;
- }
- cout<<endl<<endl;
- for(i=1;i<=n-1;i++)
- for(j=i+1;j<=n;j++)
- s=s+a[i][j];
- cout<<s<<endl<<endl;
- return 0;
- }
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