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Help Chefu!

Chef and Chefu are good friends. Chef wanted to test Chefu, so he gave him a range(L to R) and asked him to count numbers having only one '0' in their binary representation(ignore the leading zeros) in the given range including L and R both. For Example - 5 is a number having only one '0' in its binary representation. (5)10 = (101)2 Chefu is busy with his girlfriend, so he needs you to

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
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L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

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