#include<bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[105][105];
void Citire()
{
    int i,j;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        fin>>a[i][j];
}
void Rezolvare()
{
    int i,j,k;
    for(int k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(a[i][k] && a[k][j] && i != j && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];
}
void Afisare()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
        fout<<"\n";
    }
}
int main()
{
    Citire();
    Rezolvare();
    Afisare();
    return 0;
}