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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5. int main(){
  6. 	int n, k;
  7. 	cin>>n>>k;
  8. 	vector<int>a(n);
  9. 	for(int i=0; i<n; i++) cin>>a[i];
  10. 	for(int i=0; i<k; i++){
  11. 		int x;
  12. 		cin>>x;
  13. 		auto b=lower_bound(a.begin(), a.end(), x);
  14. 		int c=*b;
  15. 		if(c==x){
  16. 			cout<<b-a.begin()+1<<" ";
  17. 			auto d=upper_bound(a.begin(), a.end(), x);
  18. 			cout<<d-a.begin()<<endl;
  19. 		} else cout<<0<<endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
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10 5
1 1 3 3 5 7 9 18 18 57
57 3 9 1 179
stdout
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10 10
3 4
7 7
1 2
0
https://ideone.com/CL7vy9
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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