#include <fstream>
#include <algorithm>
#include <vector>

using namespace std;

const int NMAX = 107;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n;
int dp[NMAX][NMAX];

int main() {
    cin >> n;
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            cin >> 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(i != j && i != k && j != k && dp[i][k] != 0 && dp[k][j] != 0 && (dp[i][j] > dp[i][k] + dp[k][j] || dp[i][j] == 0)) {
                    dp[i][j] = dp[i][k] + dp[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            cout << dp[i][j] << " ";
        }
        cout << "\n";
    }
    return 0;
}