#include <bits/stdc++.h>
int n, a[105][105];
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
using namespace std;
void citire()
{
    int i,j;
    cin>>n;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            cin>>a[i][j];
}
void roy_floyd()
{
    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][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
}
void afis()
{
    int i,j;
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            cout<<a[i][j]<<" ";
        cout<<endl;
    }
}
int main()
{
    citire();
    roy_floyd();
    afis();
}