https://online.codingblocks.com/app/player/42387/content/21171/5117
How to approach this iron man problem
Hi @chemant077
Use this concept.
Number of numbers in the range [X, Y] divisible by Z is
(Y/Z) - (X/Z) , if X%Z != 0
(Y/Z) - (X/Z) + 1 , if X%Z == 0
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