#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

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

const int INF = 0x3f3f3f3f;

int n;
int gra[114][114];

int main(){
	// ios_base::sync_with_stdio(false);
	fin >> n;
	for(int i = 1; i <= n; ++i){
		for(int j = 1; j <= n; ++j){
			fin >> gra[i][j];
			if(i!=j && gra[i][j] == 0)gra[i][j] = INF;
		}
	}
	
	for(int k = 1; k <= n; ++k){
		for(int i = 1; i <= n; ++i){
			for(int j = 1; j <= n; ++j){
				gra[i][j] = min(gra[i][j], gra[i][k]+gra[k][j]);
			}
		}
	}
	
	for(int i = 1; i <= n; ++i){
		for(int j = 1; j <= n; ++j){
			if(gra[i][j] == INF)gra[i][j] = 0;
			fout << gra[i][j] << " ";
		}
		fout << "\n";
	}
	
	return 0;
}