Cod sursa(job #1688787)

Utilizator RazvanVasRazvan RazvanVas Data 13 aprilie 2016 18:49:35
Problema Combinari Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.31 kb
#include <iostream>
#include <fstream>

using namespace std;

int st[20];
int n;
ofstream g("combinari.out");
int succesor(int k){
    if(st[k] <= n){
        st[k]++;
        return 1;
    }
    return 0;
}
int valid(int k){
    for(int i = 0; i < k; i++)
        if(st[k] == st[i])
            return 0;
    return 1;
}
int tipar(int k){
    int ok = 1;
    for(int i = 0; i < n-1; i++)
        if(st[i] > st[i+1]){
            ok = 0;
            return 0;
            break;
        }
    for(int i = 0; i < n; i++)
        g << st[i] << " ";
    g << endl;
}
int solutie(int k){
    return k == n-1;
}
int main()
{
    fstream f("combinari.in");
    int k, comb;  f >> comb >> n;
    k = 0; st[k] = 0;

    while(k >= 0){
        int as = succesor(k);
        int ev = valid(k);
        while(as && !ev){
            as = succesor(k);
            if(as)
                ev = valid(k);
        }
        if(as){
            if(solutie(k)){
                if(tipar(k)){
                    comb--;
                    if(comb == 0)
                        break;
                }
            }
            else{
                k++;
                st[k] = 0;
            }
        }
        else
            k--;
    }


    f.close(); g.close();
    return 0;
}