#include <cstdio>
int n, a[110][110];
void read(),rf(),out();
int main()
{
    read();
    rf();
    out();
    return 0;
}
void read()
{
    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]);
        }
    }
}
void rf()
{
    int i,j,k;
    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][k] + a[k][j] < a[i][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
}
void out()
{
    for(int i = 1;i <= n;i++)
    {
        for(int j = 1;j <= n;j++)
        {
            printf("%d ",a[i][j]);
        }
        printf("\n");
    }
}