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  1. #include <iostream>
  2. #include <vector>
  3. #include <unordered_map>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n, qSize;
  8. 	cin>>n>>qSize;
  9. 	vector<int> q(qSize);
  10. 	vector<int> arr(n);
  11. 	for(int i=0;i<qSize;i++)
  12. 		cin>>q[i];
  13. 	for(int i=0;i<n;i++)
  14. 		cin>>arr[i];
  15. 	vector<int> hashArray(51);
  16. 	for(int i=0;i<n;i++)
  17. 		hashArray[arr[i]]++;
  18. 	for(int i=0;i<qSize;i++)
  19. 		cout<<hashArray[q[i]]<<" ";
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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5 3
2 5 1
1 2 2 3 5
stdout
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2 1 1
https://ideone.com/OtD1Bp
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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