1st we have a array of n element.
There are two types of query.
1<=r<=l<=n and D. 1<=D<=10^9 we have to add D between r to l.
1<=r<=l<=n and X. 1<=D<=10^9 .how many numbers are divisible D in r to l?
How to build segment tree for this ques.
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Auto comment: topic has been updated by YoyOyoYOy000y000 (previous revision, new revision, compare).