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  1. #include<iostream>
  2. #include<cstdio>
  3. #include<map>
  4. #include<vector>
  5. using namespace std;
  6. int N,M,a[15];
  7. map<int,vector<int> >multiple;
  8. void creating_subset(int i,int m,int l)
  9. {
  10.   if(i>=M)
  11.   {
  12.     multiple[l].push_back(m);
  13.     return;
  14.   }
  15.   creating_subset(i+1,m*a[i],l+1);
  16.   creating_subset(i+1,m,l);
  17. }
  18. int main()
  19. {
  20.   cin>>M;
  21.   for(int i=0;i<M;i++)
  22.   cin>>a[i];
  23.   creating_subset(0,1,0);
  24.   for(int i=0;i<multiple[3].size();i++)
  25.   printf("%d ",multiple[3][i]);
  26.   cout<<endl;
  27.   return 0;
  28. }
  29.  
Success #stdin #stdout 0s 3436KB
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language:

						
C++ (gcc 8.3)

					

					

						
created:
								
						
10 years ago

					

					

						
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