Cod sursa(job #522008)

Utilizator titeltitel popescu titel Data 13 ianuarie 2011 23:37:21
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include<fstream.h>
ifstream f("submultimi.in"); ofstream g("submultimi.out");
int n,k,x[17],s[17];
void afis()
{for(int i=1; i<=n; i++) if(x[i]) g<<i<<' ';
 g<<'\n';
}
void back()
{k=1; x[k]=-1;
 do {while(x[k]<1)
		{x[k]++; s[k]=s[k-1]+x[k];
		 if(k==n) {if(s[n]) afis();} 
		  else {k++; x[k]=-1;};
		}
	 k--;	
	}
 while(k); 
} 
int main()
{f>>n;
 back(); 
 g.close(); return 0;
}