My program runs in time complexity O(n) but then also TLE. Please answer what to do and please don’t reply that this is an ongoing competition because I am just clarifying.
Thanks
use fast i/0 or wait for competition to end 
Asking for expected complexity is NOT “clarifying” !!!
Guidelines are linked in each problem page and contains also:
You cannot share the run-time or space complexity of your solution.
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You are trying to outsmart us. "Dont tell me code…Just tell me a suitable ideone suffix. Eg : www.ideone.com/5dIcLF
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