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  1. #include <iostream>
  2. #include<unordered_map>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8.  
  9. 	unordered_map<int, int> hash_map;
  10.  
  11. 	for(int i=0; i<n; i++) {
  12. 		int ele;
  13. 		cin >> ele;
  14.  
  15. 		hash_map[ele]++;
  16. 	}
  17.  
  18. 	int q;
  19. 	cin >> q;
  20.  
  21. 	for(int i=0; i<q; i++) {
  22. 		int query;
  23. 		cin >> query;
  24.  
  25. 		cout << query << " : " << hash_map[query] << endl;
  26. 	}
  27. 	return 0;
  28. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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5
1
1
1
2
3
3
1
2
3
stdout
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1 : 3
2 : 1
3 : 1
https://ideone.com/G4D5jy
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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