#include <fstream>
#define nmax 101
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[nmax][nmax];

void read()
{int i,j;
 fin>>n;
 for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
       fin>>a[i][j];
}

void royfloyd()
{int i,j,k;
 for(k=1;k<=n;k++)
   for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
         if(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0)&&i!=j)
            a[i][j]=a[i][k]+a[k][j];
}

void print()
{int i,j;
 for(i=1;i<=n;i++)
   {for(j=1;j<=n;j++)
        fout<<a[i][j]<<" ";
    fout<<"\n";}
}


int main()
{
    read();
    royfloyd();
    print();
 return 0;
}