#include<fstream>
#include<vector>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
vector <vector <int> > L;
int main()
{
    int n,i,j,k;
    fin>>n;
        L.resize(n+1);
    for(i=0;i<=n;i++)
        L[i].resize(n+1);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>L[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(L[i][k] && L[k][j] && i!=j && (L[i][j]>L[i][k]+L[k][j] || !L[i][j] ))
                    L[i][j]=L[i][k] + L[k][j];

    for(i=1;i<=n;i++)
     {
        for(j=1;j<=n;j++)
            fout<<L[i][j]<<" ";
        fout<<"\n";
     }
}