#include <fstream>
using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, a[101][101];
int main()
{
    int i,j,k;
    in>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            in>>a[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j && a[i][k] && a[k][j] && a[i][k]+a[k][j]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            out<<a[i][j]<<" ";
        out<<"\n";
    }
    return 0;
}