Cod sursa(job #640710)

Utilizator noobakafloFlorin eu noobakaflo Data 26 noiembrie 2011 13:05:11
Problema Combinari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include<iostream>
#include<fstream>
using namespace std;
fstream f("combinari.in",ios::in);
fstream g("combinari.out",ios::out);
int n,p,sol[10];

int valid(int k)
{
	for(int i=1; i<k; i++)
		if(sol[k]==sol[i])
			return 0;
		
	for(int i=1; i<k; i++)
		if(sol[i]>sol[i+1])
			return 0;

	return 1;
}

void back(int k)
{
	int i,j;
	if(k==p+1)
	{
		for(j=1; j<=p; j++)
			g<<sol[j]<<" ";
		g<<endl;
	}
	else
	{
		for(i=1; i<=n; i++)
		{
			sol[k]=i;
			if(valid(k))
				back(k+1);
		}
	}
}

int main()
{
	f>>n;
	f>>p;
	back(1);
	g.close();
	
	return 0;
}