Cod sursa(job #1553157)
Utilizator | Matei Staicu smatei16 | Data | 19 decembrie 2015 12:31:35 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int sol[100],a[100],k,n;
void afis(int k){
int i;
for(i=1;i<=k;i++)
g<<a[sol[i]]<<" ";
g<<'\n';
}
void back(int k){
if(k<=n)
for(int i=sol[k-1]+1;i<=n;i++){
sol[k]=i;
afis(k);
back(k+1);
}
}
int i;
int main()
{f>>n;
for(i=1;i<=n;i++)a[i]=i;
back(1);
return 0;
}