#include <bits/stdc++.h>
#define INF 2000000000

using namespace std;

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

int n, C[101][101], drum[101][101];

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            fin >> C[i][j];
            if(C[i][j] == 0 && i != j) C[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(C[i][j] != INF && C[i][k] != INF && C[k][j] != INF)
                if(C[i][j] > C[i][k] + C[k][j]){
                    C[i][j] = C[i][k] + C[k][j];
                    drum[i][j] = k;
                }
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            fout << C[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}