Hi all,
I am trying to solve LCMSUMH12 and i see RANKS have 17 accpetted submition. But there is something very strange that all of sumitted time (https://www.spoj.com/ranks/LCMSUMH/13) are not real submition. Beacause i have checked every user_id but i do not found anyone solved this problem. Please check help me, does this problem is correct?
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