Cod sursa(job #522121)

Utilizator Codrutzu15tapu codrut Codrutzu15 Data 14 ianuarie 2011 13:41:02
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;
}