Cod sursa(job #588765)

Utilizator informatician28Andrei Dinu informatician28 Data 9 mai 2011 14:09:06
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,st[18],ok;
void tipar(int p) 
{for(int i=1;i<=n;i++) 
		if(st[i]==1) {g<<i<<" "; ok=1;}
if(ok)
		g<<'\n';
}
void back(int p) 
{for(int i=0;i<=1;i++) 
	{st[p]=i;
if(p==n) tipar(p); 
	else back(p+1);
	}
}

int main()
{f>>n;
back(1);
}