How to solve 1076C using binary search?
Difference between en1 and en2, changed 18 character(s)
I have checked the solution of many of the contestants of the first page. Everyone solved it using math. But, I want to solve it using binary search. I have been trying to do so for last few days but I am failed. Please, help me regarding this.[problem:1076C]

Update: solved

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  Rev. Lang. By When Δ Comment
en2 English ashiknur 2019-06-19 07:59:13 18 Tiny change: 'lem:1076C]' -> 'lem:1076C]\n\nUpdate: solved'
en1 English ashiknur 2019-06-18 20:46:28 298 Initial revision (published)