CF gym100735E

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
int main()
{
   ios_base::sync_with_stdio(0);
   cin.tie(0);cout.tie(0);

   ll a[105][105],b,c=0,d,e,i,j,k;
   cin>>b;
   for(i=1;i<=b;i++)
   {
       for(j=1;j<=b;j++)
       {
           cin>>a[i][j];
           c+=a[i][j];
       }
   }

   d=c/(b-1);

   for(i=1;i<=b;i++)
   {
       for(j=1;j<=b;j++)
       {
           if(a[i][j]==0)
           {
               e=d;
               for(k=1;k<=b;k++)
               {
                   e-=a[k][i];
               }
               cout<<e<<" ";
           }
           else cout<<a[i][j]<<" ";
       }
       cout<<endl;
   }
   return 0;
}