I have been uploading video editorials(B, C and D mostly) for Div-2 and Div-3 rounds. The videos are generally updated within 5/6 hours after the contest ends. This blog will contain all the video links. It will be updated after every contest gets over and the videos are uploaded.

Round 642:

• Problem E: Link Round 641:

• Problem D — Link

• Problem C — Link

• Problem B — Link

Round 638:

• Problem D — Link

• Problem C — Link

• Problem B — Link

Educational Round #86:

• Problem C — Link

Round #637:

• Problem D — Link

Round #636:

• Problem D — Link

Round #635:

• Problem D — Link

• Problem C — Link

Round #633:

• Problem D — Link

If you feel I can improve in any aspect, please drop in your valuable advice below. Please do-not expect me to make editorials on Div2-E or above because I have only solved it once or twice till date during contest hours.

P.S: I never posted this, because I doubted on myself whether I could do it for long or not, on whether people will understand the explanations or not.