#include <cstdio>
using namespace std;

const int NMAX = 110;

int N, Mat[NMAX][NMAX];

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

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

    for(int k = 1; k <= N; ++ k)
        for(int i = 1; i <= N; ++ i)
            for(int j = 1; j <= N; ++ j)
                if(Mat[i][k] && Mat[k][j] && (Mat[i][k] + Mat[k][j] < Mat[i][j] || !Mat[i][j]) && i != j)
                    Mat[i][j] = Mat[i][k] + Mat[k][j];

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