Cod sursa(job #2551897)

Utilizator Leonard123Mirt Leonard Leonard123 Data 20 februarie 2020 12:25:17
Problema 1-sir Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int t,n,s;

ifstream cin("1-sir.in");
ofstream cout("1-sir.out");

void bkt(int x,int p,int sum){
  if(x==n){
    if(sum==s)
      t++;
    return ;
    }
  bkt(x+1, p+1, sum+p+1);
  bkt(x+1, p-1, sum+p-1);
}
int main(){
  cin>>n>>s;
  bkt(1,0,0);
  cout<<t;
  return 0;
}