#include <iostream>
#include <fstream>
#define Nmax 110
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[Nmax][Nmax];
const int inf=1000000000;
void Citire ()
{
    int i,j;
    fin>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {fin>>a[i][j];
    if (a[i][j]==0) a[i][j]=inf;}

}
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][j]=a[i][k]+a[k][j];
    for (i=1;i<=n;i++)
        {for (j=1;j<=n;j++)
        if (a[i][j]==inf||i==j) fout<<0<<" ";
    else fout<<a[i][j]<<" ";
    fout<<"\n";}
}
int main()
{
    Citire();
    RoyFloyd();
    return 0;
}