#include <iostream>
#include <fstream>

using namespace std;

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

const int N = 105;

int a[N][N];

int main()
{
    int n;
    in >> n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            in >> a[i][j];
            if(a[i][j] == 0 && i != j)
                a[i][j] = 999999999;
        }

    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int 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(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++)
            if(a[i][j] == 999999999)
                out << 0 << ' ';
            else
                out << a[i][j] << ' ';
        out << '\n';
    }
    return 0;
}