https://www.codechef.com/submit/GRAYSC

#1

https://www.codechef.com/viewsolution/36091863
the code giving me wrong ans.Though I have used the approach told by the prateek bhaiya as it is said in the course vedio.

#2

@hrit04 for binary search the array must be sorted

#3

https://www.codechef.com/viewsolution/36127787
I have sort the array before apply binary sort but still getting wrong ans.

#4

@hrit04 please try to find the 4th number also with a for loop only, maybe XOR isnt working properly for bigger numbers

#5

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