#include <bits/stdc++.h>

using namespace std;
 
int n, a[105][105];
 

void roy_floyd()
{
	int i, j, k;
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++)
			for (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];
}
 

 
int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    cin >> n;
    
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++) cin >> a[i][j];
    }
		
	roy_floyd();
	
	 for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++) cout << a[i][j] << ' ';
    }
	
}