# include <cstdio>
using namespace std;

FILE *f = freopen("royfloyd.in", "r", stdin);
FILE *g = freopen("royfloyd.out", "w", stdout);

const int N_MAX = 101;

int cost[N_MAX][N_MAX];
int n;

int main()
{
    scanf("%d", &n);

    for (int i=1 ;i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            scanf("%d", &cost[i][j]);
            if (i != j && !cost[i][j])
                cost[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 (cost[i][j] > cost[i][k] + cost[k][j])
                {
                    cost[i][j] = cost[i][k] + cost[k][j];
                }
            }
        }
    }

    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            if (cost[i][j] != 2 *1e9)
                printf("%d ", cost[i][j]);
            else
                printf("0 ");
        printf("\n");
    }
    return 0;
}