#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int INF = 1e9+7;
int n,m;
int a[101][101];
int d[101][101]={};
int main()
{
    fin>>n;
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            fin>>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][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            fout << a[i][j] << ' ';
        }fout << endl;
    }
    return 0;
}