#include <bits/stdc++.h>

#define INF ((int)1e9)
#define NMAX ((int)1e2)

using namespace std;

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

int n;
int a[NMAX + 1][NMAX + 1];

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

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

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fout << a[i][j] << " ";
        }

        fout << "\n";
    }

    return 0;
}