#include <iostream>
#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int a[100][100],b[100][100];

int main()
{
    int n, i, j, k;
    f >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            f >> a[i][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];
        }   
    }
    for (i = 1; i <= n; i++){
        for (j = 1; j <= n; j++)
            g<< a[i][j]<<" ";
    g<<"\n";
    }

}