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