#include <bits/stdc++.h>

using namespace std;

ifstream in ("royfloyd.in");
ofstream out ("royfloyd.out");



#define INF 0x3f3f3f3f

int m[101][101];
int a[101][101];
int n;

void RoyFloyd()
{
    int n;
    in>>n;
    for(int i = 1 ; i <= n ; i++)
    {
        for(int j = 1 ; j <= n ; j++)
        {
            in>>m[i][j];
            if(m[i][j] != 0)
                a[i][j]=m[i][j];
            else
                a[i][j] = INF;
        }
    }
    for(int k = 1 ; k <= n ; k++)
        for(int i = 1 ; i <=n ; i++)
            for(int j  = 1 ; j <=n ; j++)
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);

    for(int i = 1 ; i <= n ; i++)
    {
        for(int j = 1 ; j <= n ; j++)
        {
            if(i == j || a[i][j] == INF)
                a[i][j] = 0;
            out<<a[i][j]<<" ";
        }
        out<<"\n";
    }

}

int main()
{

    RoyFloyd();

    return 0;
}