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May 24th, 2018
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C++ 0.28 KB | None | 0 0
  1. int main(){
  2.     int a[100][100],sum=0,i,j;
  3.     for(i=0;i<100;i++){
  4.         for(j=0;j<100;j++)
  5.         cin>>a[i][j];
  6.     }
  7.     for(i=0;i<100;i++)
  8.     for(j=0;j<100;j++){
  9.         if(i<j)
  10.         sum+=a[i][j];
  11.     }
  12.     r =((100*100) -100)/2;
  13.     avg=sum/r;
  14.     cout<<avg;
  15. }
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