Cod sursa(job #1902659)
Utilizator | Szasz Bogdan SineMine | Data | 4 martie 2017 18:36:59 |
---|---|---|---|
Problema | Submultimi | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.54 kb |
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int st[1000], n, nrsol=0;
void afisare(int p)
{ int i;
for(i=1;i<=p;i++)
fout<<st[i]<<" ";
fout<<endl;
}
int valid(int p)
{ int i;
for(i=1;i<=p-1;i++)
if (st[p]==st[i]) return 0;
return 1;
}
void backtracking(int p)
{ int i;
for(i=st[p-1]+1;i<=n;i++)
{ st[p]=i;
afisare(p);
backtracking(p+1);
}
}
int main()
{ fin>>n;
backtracking(1);
return 0;
}