My time complexity is O(N) but coding blocks kept giving me TLE

i was solving this problem and my code time complexity is O(N) but it is giving me TLE . Can you help me ?

hello @Tanishq_Gupta could you please share your code ?

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.