#include <cstdio>
using namespace std;

int n,d[101][101];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;++i)
    for(j=1;j<=n;++j)
    {
        scanf("%d",&d[i][j]);
    }
    for(k=1;k<=n;++k)
    {
        for(i=1;i<=n;++i)
        {
            for(j=1;j<=n;++j)
            {
                if(((d[i][j]>d[i][k]+d[k][j])||!d[i][j])&&i!=j&&d[i][k]&&d[k][j]) d[i][j]=d[i][k]+d[k][j];
            }
        }
    }
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j) printf("%d ",d[i][j]);
        printf("\n");
    }
    return 0;
}