#include <bits/stdc++.h>
#define oo 2000000001
using namespace std;

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

int n;
int dist[105][105];

void read() {
    f >> n;
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            f >> dist[i][j];
        }
    }
}

void roy_floyd() {
    for (int k=1;k<=n;k++) {
        for (int i=1;i<=n;i++) {
            for (int j=1;j<=n;j++) {
                if (dist[i][k] && dist[k][j]) {
                    if (dist[i][j] > dist[i][k] + dist[k][j] || (dist[i][j]==0 && i!=j)) {
                        dist[i][j] = dist[i][k] + dist[k][j];
                    }
                }
            }
        }
    }
}
void show() {
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            g << dist[i][j] << " ";
        }
        g << '\n';
    }
}

int main()
{
    read();
    roy_floyd();
    show();
    return 0;
}