Cod sursa(job #1238596)
Utilizator | Data | 7 octombrie 2014 11:41:06 | |
---|---|---|---|
Problema | Combinari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.29 kb |
#include <fstream>
#define x int
std::ifstream f("combinari.in");std::ofstream o("combinari.out");x a[18],n,k;void q(){x s=0;for(x i=1;i<=n;i++)s+=a[i];if(s==k){for(x i=1;i<=n;i++)if(a[i])o<<i<<" ";o<<"\n";}}void r(x w){if(w==n+1)q();else{a[w]=1;r(w+1);a[w]=0;r(w+1);}}x main(){f>>n>>k;r(1);}