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  1. #include <iostream>
  2. using namespace std;
  3. #include<vector>
  4. #include <bits/stdc++.h>
  5. int main() {
  6. 	// your code goes here
  7. 	unordered_map<int,int>mp;
  8. 	vector<int>arr={1,2,3,3,2,3,2,3,3};
  9. 	for(int i=0;i<arr.size();i++)
  10. 	 {
  11. 	 	mp[arr[i]]++;
  12. 	 }
  13.  
  14. 	 int sum=0;
  15. 	 for(auto x:mp)
  16. 	  {
  17. 	  	if(x.second>=x.first)
  18. 	  	 {
  19. 	  	 	sum+=x.first;
  20. 	  	 }
  21. 	  }
  22. 	  cout<<sum;
  23. 	return 0;
  24. }
Success #stdin #stdout 0.01s 5284KB
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language:

						
C++ (gcc 8.3)

					

					

						
created:
								
						
281 days ago

					

					

						
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