#include <bits/stdc++.h>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int NMax = 103;

int n,m;
int dp[NMax][NMax];

int main()
{
    f >> n;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            f >> dp[i][j];
        }
    }
    for(int inter = 1; inter <= n; ++inter){
        for(int i = 1; i <= n; ++i){
            for(int j = 1; j <= n; ++j){
                if(i != j && dp[i][j] > dp[i][inter] + dp[inter][j] && dp[i][inter] && dp[inter][j]){
                    dp[i][j] = dp[i][inter] + dp[inter][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            g << dp[i][j] << ' ';
        }
        g << '\n';
    }
    return 0;
}