#include <bits/stdc++.h>
#define Dmax 105
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[Dmax][Dmax];

int main()
{
    f>>n;
    for(int i = 1; i <= n; i++)
    for(int j = 1; j <= n; j++)
        f>>a[i][j];

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
               if((a[i][j] > a[i][k] + a[k][j] || !a[i][j])&&a[i][k] && a[k][j] &&i!=j)
                a[i][j] =  a[i][k]+a[k][j];

    for(int i = 1; i <= n; i++,g<<"\n")
        for(int j = 1; j <= n; j++)
            g<<a[i][j]<<" ";


    return 0;
}