#include <iostream>
#include <cstdio>

using namespace std;

#define DIM 103

int N, a[DIM][DIM];

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

    scanf("%d\n", &N);

    for(int i = 1; i <= N; ++i) {
        for(int j = 1; j <= N; ++j) {
            scanf("%d", &a[i][j]);
            if(a[i][j] == 0 && i != j) a[i][j] = 1e9;
        }
    }

    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][k] + a[k][j] < a[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) {
            if(a[i][j] == 1e9) a[i][j] = 0;
            cout << a[i][j] << ' ';
        }
        cout << '\n';
    }

    return 0;
}