Cod sursa(job #2180273)

Utilizator rrobertBulgaru Robert rrobert Data 20 martie 2018 19:07:31
Problema Generare de permutari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <fstream>
#include <iostream>
using namespace std;

#define MAX 8

int n,v[MAX];	

ifstream in("permutari.in");
ofstream out("permutari.out");

void print() {
	for (int i=0;i<n;i++)
		out<<v[i]<<" ";
	out<<endl;
}

bool is_valid(int x) {
	for (int i=0;i<x;i++)
		if (v[i]==v[x])
			return false;
	return true;
}

void bkt(int x) {
	if (x==n) {
		print();
		return;
	}

	for (int i=1;i<=n;i++) {
		v[x]=i;
	
		if (is_valid(x))
			bkt(x+1);
	}
}
	
int main() {
	in>>n;

	bkt(0);

	return 0;

}