#include <bits/stdc++.h>

using namespace std;

const int MAXN = 105;

int dp[MAXN][MAXN];

int main()
{
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    int n;
    fin >> n;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            fin >> dp[i][j];
        }
    }
    for(int k = 1; k <= n; ++k){
        for(int i = 1; i <= n; ++i){
            for(int j = 1; j <= n; ++j){
                if(dp[i][k] > 0 && dp[k][j] > 0 && i != j){
                    if(dp[i][j] > 0) dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
                    else dp[i][j] = dp[i][k] + dp[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            fout << dp[i][j] << " ";
        fout << "\n";
    }
    return 0;
}