#include<fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int a[100][100];
int main()
{
    short n;
    cin>>n;
    for(short i=0;i<n;++i)
        for(short j=0;j<n;cin>>a[i][j++]);
    for(short k=0;k<n;++k)
        for(short i=0;i<n;++i)
            for(short j=0;j<n;++j)
                if(i!=j&&a[i][k]&&a[k][j]&&(!a[i][j]||a[i][j]>a[i][k]+a[k][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for(short i=0;i<n;cout<<'\n',++i)
        for(short j=0;j<n;cout<<a[i][j++]<<' ');
    return 0;
}