#include <stdio.h>


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

    int n, i, j, k, a[101][101];

    scanf("%d", &n);

    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
        {
            scanf("%d", &a[i][j]);
            if(i != j && a[i][j] == 0)
            {
                a[i][j] = 2001;
            }
        }
    }

    for(k = 1; k <= n; ++k)
    {
        for(i = 1; i <= n; ++i)
        {
            for(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(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
        {
            if(a[i][j] == 2001)
            {
                a[i][j] = 0;
            }
            printf("%d ", a[i][j]);
        }
        printf("\n");
    }

    return 0;
}