//#include <iostream>
#include<fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream gout("royfloyd.out");
int a[105][105],n;
void citire()
{
    int i,j;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        fin>>a[i][j];
}
void rez()
{
    int i,k,j;
    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]) && i != j)
        a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    int i,j;
    citire();
    rez();
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        gout<<a[i][j]<<" ";
        gout<<'\n';
    }
    return 0;
}