#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

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

int a[101][101], d[101][101], prev[101];
void royfloyd(int n) {

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++) {
            if (a[i][j]) d[i][j] = a[i][j];
            else if (i != j) d[i][j] = INT_MAX;
        }

    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];
            }
        }
    }
}

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

    royfloyd(n);

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) g<<d[i][j]<<" ";
        g<<endl;
    }

    return 0;
}