TC 699 doubt

Revision en1, by code_astra, 2016-09-27 16:43:38

Hi , for div 2 500 i just used GP formula approach with error range of +-100 . http://ideone.com/NjEMww It failed on test case (837592744927492746) but on ideone it is giving correct answer ! Can any one please explain why ? Is it bug of topcoder ?

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en1 English code_astra 2016-09-27 16:43:38 266 Initial revision (published)