Cod sursa(job #1311582)

Utilizator Andrei11Andrei Andrei11 Data 8 ianuarie 2015 13:33:49
Problema Combinari Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include <stdio.h>
using namespace std;
int n,k,st[100000];
void scriere()
{
    for(int i=1;i<=k;i++)
        printf("%d ",st[i]);
        printf("\n");
}
bool valid(int p)
{
    for(int i=1;i<p;i++)
    {
        for(int j=i+1;j<=p;j++)
        {
            if(st[i]>=st[j])return 0;
        }
    }
    return 1;
}
void back(int p)
{
    for(int pval=1;pval<=n;pval++)
    {
        st[p]=pval;
        if(valid(p))
        {
            if(p==k)
                scriere();
            else back(p+1);
        }
    }
}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%d %d",&n,&k);
    back(1);
    return 0;

}