#include <cstdio>
#define min(a,b) (a<b?a:b)

using namespace std;

int n,i,j,m,k;
int a[505][505];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            scanf("%d",&a[i][j]);

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