#include <fstream>

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int v[105][105],n;
void citire()
{
    int i,j,k;
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            cin>>v[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
    {
        if(v[i][k]&&v[k][j]&&i!=j&&(!v[i][j]||v[i][j]>v[i][k]+v[k][j]))
            v[i][j]=v[k][j]+v[i][k];
    }
}
void afis()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            cout<<v[i][j]<<" ";
        cout<<'\n';
    }
}
int main()
{
    citire();
    afis();
    return 0;
}