#include <bits/stdc++.h>
#define inf 100000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[102][102];
int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++){
            fin >> a[i][j];
            if(!a[i][j]) 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++)
                if(a[i][j] != inf && i != j)
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
    for(int i = 1; i <= n; i++, fout << '\n')
        for(int j = 1; j <= n; j++) fout << (a[i][j] != inf ? a[i][j] : 0) << ' ';

}