Coin Flip | CodeChef

my problem is showing TLE can you please tell me about the problem and also tell me about the reason of it.
here is my submission-

Look for the pattern by solving the problem using pen and paper. You will arrive at a solution which is much faster than your current solution.

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i have see i have observed that the coin face wil change for odd no. of rounds and remain same for the even no. of rounds
also i have changed the respective number of rounds for different no. of coins