#include <bits/stdc++.h>
#define INF 0x3f3f3f3f
using namespace std;
int c[101][101], n;

int main()
{
    ifstream fin ("royfloyd.in");
    ofstream fout ("royfloyd.out");
    fin >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> c[i][j];
            if (i != j && c[i][j] == 0) {
                c[i][j] = INF;
            }
        }
    }
    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if(c[i][j] > c[i][k] + c[k][j])
                    c[i][j] = c[i][k] + c[k][j];
            }
        }
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fout << c[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}