Cod sursa(job #1816504)

Utilizator BovisioNitica Ionut Bogdan Bovisio Data 26 noiembrie 2016 16:02:24
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.69 kb
#include <cstdio>

using namespace std;

int n,m,v[20];

void afis()
{
    for(int i=1;i<=m;i++)
        printf("%i ",v[i]);
    printf("\n");
}

bool valid(int x)
{
    for(int i=1;i<=x-1;i++)
    {
        if(v[x] <= v[i])
            return false;
    }
    return true;
}

void backtracking(int x)
{
    for(int i=1;i<=n;i++)
    {
        v[x] = i;
        if(valid(x))
        {
            if(x == m)
                afis();
            else
                backtracking(x+1);
        }
    }
}

int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%i %i",&n,&m);
    backtracking(1);
    return 0;
}