#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,j,n,k,a[101][101];
int main()
{
    f>>n;
    for(i=1;i<=n;++i)
    for(j=1;j<=n;++j)
    {
        f>>a[i][j];
        if(a[i][j]==0)
        a[i][j]=7777777;
    }
    for(k=1;k<=n;++k)
    for(i=1;i<=n;++i)
    for(j=1;j<=n;++j)
    if(a[i][j]>a[i][k]+a[k][j]&&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]!=7777777)
        g<<a[i][j]<<" ";
        else
        g<<"0 ";
        g<<'\n';
    }
    return 0;
}