Help needed in Problem 1149B

Revision en1, by __Apocalypse__, 2019-06-30 11:48:23

Could someone please explain 1149B - Three Religions I am not able to understand the approach that is given in the editorial. Thanks in advance.

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en1 English __Apocalypse__ 2019-06-30 11:48:23 164 Initial revision (published)