Cod sursa(job #2682435)
Utilizator | Data | 8 decembrie 2020 17:35:04 | |
---|---|---|---|
Problema | Combinari | Scor | 90 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.6 kb |
#include<fstream>
using namespace std;
int n,p,x[19];
ifstream f ("combinari.in");
ofstream g("combinari.out");
void afisare(int k)
{
for(int i=1;i<=k;i++)
g<<x[i]<<" ";
g<<endl;
}
int valid(int k)
{
if(k>1)
if(x[k]<=x[k-1]) // strict crescatoare
return 0;
return 1;
}
void bkt(int k)
{
for(int i=1;i<=n;i++)
{
x[k]=i;
if(valid(k)==1)
if(k==p)
afisare(k);
else
bkt(k+1);
}
}
int main()
{
f>>n>>p; //combinari de n luate cate p
bkt(1);
return 0;
}