#include <cstdio>
#define NMAX 109
using namespace std;

int N, d[ NMAX ][ NMAX ];

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

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

    for (int k = 1; k <= N; ++k) {
        for (int i = 1; i <= N; ++i) {
            for (int j = 1; j <= N; ++j) {
                if (i != j && d[i][k] * d[k][j] && (!d[i][j] || d[i][k]+d[k][j]<d[i][j])) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= N; ++i) {
        for (int j = 1; j <= N; ++j) {
            printf("%d ", d[i][j]);
        }
        printf("\n");
    }

    return 0;
}