fork download
copy 
  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int T;
  7. 	scanf("%d",&T);
  8. 	while(T--){
  9. 		long long N;
  10. 		scanf("%lld",&N);
  11. 		vector<long long> H(N);
  12. 		for(int i=0;i<N;i++){
  13. 			scanf("%lld",&H[i]);
  14. 		}
  15. 		vector<long long> B(N);
  16. 		B=H;
  17. 		vector<long long>::iterator it;
  18. 		it=unique(B.begin(),B.end());
  19. 		B.resize( distance(B.begin(),it) );
  20. 		int count=B.size();
  21. 		for(int i=0;i<B.size();i++){
  22. 			int counti=0;
  23. 			for(int j=0;j<N;j++){
  24. 				if(B[i]==H[j]){
  25. 					counti++;
  26. 				}
  27. 				if(B[i]!=H[i]){
  28. 					if(counti>2){
  29. 						count++;	
  30. 						counti=0;
  31. 					} 
  32.  
  33. 				}
  34.  
  35. 			}
  36. 		}
  37. 		printf("%d",count);
  38. 	}
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
copy 
2
3
2 3 4
3
4 4 5
stdout
copy 
32
https://ideone.com/kex9h5
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!