#include <iostream>
#include <fstream>

using namespace std;

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

const int NMax = 100, oo = 0x3f3f3f3f;

int n;
int dp[NMax + 5][NMax + 5];

void Read(){
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++){
            fin >> dp[i][j];
            if (!dp[i][j] && i != j)
                dp[i][j] = oo;
        }
}

void RoyFloyd(){
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
}

void Print(){
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            if (!dp[i][j] && i != j)
                dp[i][j] = 0;
            fout << dp[i][j] << ' ';
        }
        fout << '\n';
    }
}

int main(){
    Read();
    RoyFloyd();
    Print();
    return 0;
}