Codeforces 1195A. Drinks Choosing Codeforces Round #574 (Div. 2)


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A solution in c++



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1 Comments

  1. please can anyone tell me what is the main idea to use xor operation in http://programming-jinnatul.blogspot.com/2019/07/codeforces-1195a-drinks-choosing.html
    in the second solution.

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