Cod sursa(job #1017225)
Utilizator | Tudor Buzu buzu.tudor67 | Data | 27 octombrie 2013 15:49:58 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include<fstream>
using namespace std;
//backtracking
ifstream fi("submultimi.in");
ofstream fo("submultimi.out");
int st[21];
int n;
void tipar(int limit){
int i;
for(i=1;i<=limit;i++) fo<<st[i]<<" ";
fo<<"\n";
}
void back(int p){
int i;
for(i=st[p]+1;i<=n;i++) {
st[p+1]=i;
tipar(p+1);
back(p+1);
}
}
int main(void){
fi>>n;
st[0]=0;
back(0);
fi.close();
fo.close();
return 0;
}