Hello Codeforces Community,↵
Here are the video editorials for the recently held HackerEarth January Circuits 2021 and The Problem along with their solutions are explained in detail.↵
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Below are the links to the solutions :↵
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1. [A Chessboard](https://www.youtube.com/watch?v=D-ZyqJkUw7U&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=1)↵
2. [GCD Function](https://www.youtube.com/watch?v=_RDAzREajvE&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=2)↵
3. [Replace the strings](https://www.youtube.com/watch?v=d1APjCJffbo&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=3)↵
4. [Scoreboard queries](https://www.youtube.com/watch?v=3ivZG8jTMMM&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=4)↵
5. [Make the strings equal](https://www.youtube.com/watch?v=QXNmz2KrtQY&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=5)↵
6. [Tree Construction](https://www.youtube.com/watch?v=wovazpMHHl8&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=6)↵
↵
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Please do watch videos, like, comment, and subscribe to this channel.↵
Likewise, Videos will be uploaded for most of the contest's editorial.↵
Any suggestions are welcome, do comment in this blog post.↵
↵
Thank You!!
Here are the video editorials for the recently held HackerEarth January Circuits 2021 and The Problem along with their solutions are explained in detail.↵
↵
Below are the links to the solutions :↵
↵
1. [A Chessboard](https://www.youtube.com/watch?v=D-ZyqJkUw7U&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=1)↵
2. [GCD Function](https://www.youtube.com/watch?v=_RDAzREajvE&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=2)↵
3. [Replace the strings](https://www.youtube.com/watch?v=d1APjCJffbo&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=3)↵
4. [Scoreboard queries](https://www.youtube.com/watch?v=3ivZG8jTMMM&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=4)↵
5. [Make the strings equal](https://www.youtube.com/watch?v=QXNmz2KrtQY&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=5)↵
6. [Tree Construction](https://www.youtube.com/watch?v=wovazpMHHl8&list=PLEvw47Ps6OBBsfkRIbdR3Aftkmo9Xj4zU&index=6)↵
↵
↵
Please do watch videos, like, comment, and subscribe to this channel.↵
Likewise, Videos will be uploaded for most of the contest's editorial.↵
Any suggestions are welcome, do comment in this blog post.↵
↵
Thank You!!