Binary search code problem

#1

ques : https://hack.codingblocks.com/app/contests/1617/199/problem
ans:
https://ide.codingblocks.com/s/308672
by this code some of the test cases are failed.
pls help me out…

#2

@Shantanu07j, this problem is supposed to be done in o(log n) using binary search , when you but you are applying a nested loop which doesn’t serve the purpose , instead use while loop
refer below for correct implementation of binary search :-

#3

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#4

@Shantanu07j you have reopen the doubt

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