Cod sursa(job #522130)

Utilizator Marina12345Budau Marina Marina12345 Data 14 ianuarie 2011 13:49:06
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include<fstream.h>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,j,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;
}