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  1. #include <iostream>
  2. using namespace std;
  3. int getCount(int n,int arr[]){
  4. 	int count=0;
  5. 	for(int i=0;i<=n-3;i++){
  6. 		for(int j=i+1;j<=n-2;j++){
  7. 			for(int k=j+1;k<=n-1;k++){
  8. 				if(arr[i]>arr[j] && arr[j]<arr[k]){
  9. 					count++;
  10. 				}
  11. 			}
  12. 		}
  13. 	}
  14. 	return count;
  15. }
  16.  
  17. int main() {
  18. 	// your code goes here
  19. 	int n;
  20. 	cin>>n;
  21. 	int arr[n];
  22. 	for(int i=0;i<n;i++){
  23. 		cin>>arr[i];
  24. 	}
  25. 	cout<<"The count of valid triplets is:"<<getCount(n,arr);
  26. 	return 0;
  27. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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6
8 1 2 3 4 5
stdout
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The count of valid triplets is:10
https://ideone.com/B94RMg
language:
C++ (gcc 8.3)
created:
2 hours ago
visibility:
public

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