### Avoid_ASM70's blog

By Avoid_ASM70, history, 6 weeks ago,

From now on, I will add some topic wise problems which I face regularly. I think it will help new commers like me. Thank you :)

### 1.Cumulative sum/ prefix sum :

Here are some Binary search related problems

### 3. Even Odd integers counting in a range inclusive [l,r]:

Numbers of even integers is a range inclusive [l,r] = (r/2)-(l-1)/2

Numbers of odd integers is a range inclusive [l,r] = (r-l+1)-( (r/2)-(l-1)/2 ) Practice: https://codeforces.com/problemset/problem/1629/B

Thank you :)

• +10

 » 6 weeks ago, # |   0 Thanks a lot :)
•  » » 6 weeks ago, # ^ |   0 welcome
 » 6 weeks ago, # |   0 thanks !
•  » » 6 weeks ago, # ^ |   0 wc
 » 6 weeks ago, # |   0 :)
 » 6 weeks ago, # |   0 Auto comment: topic has been updated by Avoid_ASM70 (previous revision, new revision, compare).
 » 6 weeks ago, # |   0 Auto comment: topic has been updated by Avoid_ASM70 (previous revision, new revision, compare).
 » 6 weeks ago, # |   0 Auto comment: topic has been updated by Avoid_ASM70 (previous revision, new revision, compare).
 » 6 weeks ago, # |   0 what is the difficulty range of these problems?
•  » » 5 weeks ago, # ^ |   0 mostly under 1200 Some are under 1400
 » 5 weeks ago, # |   0 Auto comment: topic has been updated by Avoid_ASM70 (previous revision, new revision, compare).
 » 5 weeks ago, # |   0 nice
 » 5 weeks ago, # |   0 Thanks man,