#include <cstdio>
#define limit 500000
int a[150][150], n;

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", &a[i][j]);
            if (a[i][j] == 0 && i != j)
                a[i][j] = limit;
        }
    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][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] >= limit)
                printf("%d", 0);
            else
                printf("%d ", a[i][j]);
        printf("\n");
    }
    return 0;
}