#include <bits/stdc++.h>

using namespace std;

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

int n, v[200][200];
int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            fin >> v[i][j];
            if(v[i][j] == 0 && i != j) {
                v[i][j] = 0x3f3f3f3f;
            }
        }
    }

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

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(v[i][j] == 0x3f3f3f3f) fout << 0 << " ";
            else fout << v[i][j] << " ";
        }
        fout << '\n';
    }
    return 0;
}