Count the no of set-bits in for all numbers between 2 no. both inclusive

code is working on other compilers but here its not compiling
question: https://online.codingblocks.com/player/25648/content/10203/4741
answer: https://ide.codingblocks.com/s/125589

@dhruvika hey dhruvika sorry to say that our server is upgrading and devolyment is in process once it will finish all service will resume.