#include <bits/stdc++.h>

using namespace std;

int a[105][105];

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

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

    for(int k = 1; k <= n; k ++)
        for(int i = 1; i <= n; i ++) {
            if(i == k) continue;
            for(int j = 1; j <= n; j ++) {
                if(i == j || k == j) continue;
                if(a[i][k] == 0) continue;
                if(a[k][j] == 0) continue;
                if(a[i][j] == 0 || a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];
            }
        }

    for(int i = 1; i <= n; i ++) {
        for(int j = 1; j <= n; j ++)
            g << a[i][j] << " ";
        g << "\n";
    }
    return 0;
}