#include <bits/stdc++.h>
using namespace std;

int n, a[101][101];

void read()
{
    cin>>n;
    for(int i = 1; i<=n; i++)
        for(int j = 1; j<=n; j++){
            cin>>a[i][j];
            if(!a[i][j])
                a[i][j] = 1010;
        }
          
}

void floyd()
{
    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++, cout<<'\n')
        for(int j = 1; j<=n; j++)
            cout<< (i == j || a[i][j] == 1010 ? 0: a[i][j]) <<' ';
}

int main()
{
	freopen("royfloyd.in", "r", stdin);
	freopen("royfloyd.out", "w", stdout);
    read();
    floyd();
    
    return 0;
}