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  1. #include <iostream>
  2. #include<vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8.  
  9. 	vector<int> array(n);
  10. 	vector<int> hash_arr(n+1, 0);
  11.  
  12. 	for(int i=0; i<n; i++) {
  13. 		cin >> array[i];
  14. 		hash_arr[array[i]]++;
  15. 	}
  16.  
  17. 	int q;
  18. 	cin >> q;
  19.  
  20. 	for(int i=0; i<q; i++) {
  21. 		int query;
  22. 		cin >> query;
  23.  
  24. 		cout << query << " : " << hash_arr[query] << endl;
  25. 	}
  26. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
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5
1
1
2
2
3
3
1
2
3
stdout
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1 : 2
2 : 2
3 : 1
https://ideone.com/HGYFSJ
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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