Why my answer is wrong?

https://www.codechef.com/viewsolution/20929045

Sry, 403 (Access denied) coming … check the link or paste it somewhere else [Ideone] (mark it as private)…

SORRY, IT IS AGAINST THE RULE. YOU CAN’T ASK THE ONGOING CONTEST SOLUTION… ASK THIS WHEN THE CONTEST IS OVER… [ALSO DELETE YOUR ABOVE CODE]

they themselves have given the link to this forum to discuss

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