#include <cstdio>

#define INF 1 << 29

int N, adj[101][101];

int minimum(int x, int y) {
    return x < y ? x : y;
}

int main() {
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    scanf("%d", &N);
    for (int it = 0; it < N; ++it) {
        for (int jt = 0; jt < N; ++jt) {
            scanf("%d", &adj[it][jt]);
            if (0 == adj[it][jt]) adj[it][jt] = INF;
        }
    }

    for (int kt = 0; kt < N; ++kt) {
        for (int it = 0; it < N; ++it) {
            for (int jt = 0; jt < N; ++jt) {
                if (it != kt && jt != kt && it != jt) {
                    adj[it][jt] = minimum(adj[it][jt], adj[it][kt] + adj[kt][jt]);
                }
            }
        }
    }

    for (int it = 0; it < N; ++it) {
        for (int jt = 0; jt < N; ++jt) {
            printf("%d ", INF <= adj[it][jt] ? 0 : adj[it][jt]);
        }
        printf("\n");
    }

    return 0;
}