Simple enough doubt

#1


this code isn’t able to pass all the test cases…what approach should i use now?

#2

Hello @sghosh2018,

  1. The value of n is 10^16 which is greater than the range of array.
  2. Try to reduce the time complexity of the program as you are computing res(floor(n/2)) twice.
  3. at last just iterate the loop from l to r.

Hope, this would help.

#3

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