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

int n,A[110][110];

int main() {
    ifstream cin ("royfloyd.in");
    ofstream cout ("royfloyd.out");
    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]=1e9;
        }
    }
    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++){
        for (int j=1; j<=n; j++) cout<<(i==j || A[i][j]==1e9?0:A[i][j])<<" ";
        cout<<"\n";
    }
    return 0;
}