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. ↵
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**Round 641:(Yesterday's Round)2:**↵
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- [Problem E](https://codeforces.com/contest/1353/problem/E): [Link](https://www.youtube.com/watch?v=7jmY0-yy-Tk)↵
**Round 641:**↵
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- [Problem D](https://codeforces.com/contest/1350/problem/D) — [Link](https://www.youtube.com/watch?v=aFNR6bGCrhU&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=11) ↵
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- [Problem C](https://codeforces.com/contest/1350/problem/C) — [Link](https://www.youtube.com/watch?v=SvVXRtv5jsk&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=10) ↵
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- [Problem B](https://codeforces.com/contest/1350/problem/B) — [Link](https://www.youtube.com/watch?v=Z9jEFjHFE0o&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=12) ↵
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**Round 638:**↵
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- [Problem D](https://codeforces.com/contest/1348/problem/D) — [Link](https://www.youtube.com/watch?v=MtsNXuHfuxo&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=5) ↵
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- [Problem C](https://codeforces.com/contest/1348/problem/C) — [Link](https://www.youtube.com/watch?v=Tr73ZLZE488&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=6)↵
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- [Problem B](https://codeforces.com/contest/1348/problem/B) — [Link](https://www.youtube.com/watch?v=36R4Kf6dAB4&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=7) ↵
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**Educational Round #86:**↵
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- [ Problem C](https://codeforces.com/contest/1342/problem/C) — [Link](https://www.youtube.com/watch?v=Ff4Sjgd6l00&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=4)↵
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**Round #637:** ↵
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- [Problem D](https://codeforces.com/contest/1341/problem/D) — [Link](https://www.youtube.com/watch?v=0TmuETwVit4&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=2)↵
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**Round #636:** ↵
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- [Problem D](https://codeforces.com/contest/1343/problem/D) — [Link](https://www.youtube.com/watch?v=TSUvGqRFlug&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=2)↵
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**Round #635:** ↵
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- [Problem D](https://codeforces.com/contest/1337/problem/D) — [Link](https://www.youtube.com/watch?v=KVJCbNyo48U&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=10)↵
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- [Problem C](https://codeforces.com/contest/1337/problem/C) — [Link](https://www.youtube.com/watch?v=6IY9kPbzkAI&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=8)↵
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**Round #633**: ↵
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- [Problem D](https://codeforces.com/contest/1339/problem/D) — [Link](https://www.youtube.com/watch?v=YCOkesE_eN8&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=3)↵
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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. ↵
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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.
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**Round 64
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- [Problem E](https://codeforces.com/contest/1353/problem/E): [Link](https://www.youtube.com/watch?v=7jmY0-yy-Tk)↵
**Round 641:**↵
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- [Problem D](https://codeforces.com/contest/1350/problem/D) — [Link](https://www.youtube.com/watch?v=aFNR6bGCrhU&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=11) ↵
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- [Problem C](https://codeforces.com/contest/1350/problem/C) — [Link](https://www.youtube.com/watch?v=SvVXRtv5jsk&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=10) ↵
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- [Problem B](https://codeforces.com/contest/1350/problem/B) — [Link](https://www.youtube.com/watch?v=Z9jEFjHFE0o&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=12) ↵
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**Round 638:**↵
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- [Problem D](https://codeforces.com/contest/1348/problem/D) — [Link](https://www.youtube.com/watch?v=MtsNXuHfuxo&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=5) ↵
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- [Problem C](https://codeforces.com/contest/1348/problem/C) — [Link](https://www.youtube.com/watch?v=Tr73ZLZE488&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=6)↵
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- [Problem B](https://codeforces.com/contest/1348/problem/B) — [Link](https://www.youtube.com/watch?v=36R4Kf6dAB4&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=7) ↵
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**Educational Round #86:**↵
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- [ Problem C](https://codeforces.com/contest/1342/problem/C) — [Link](https://www.youtube.com/watch?v=Ff4Sjgd6l00&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=4)↵
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**Round #637:** ↵
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- [Problem D](https://codeforces.com/contest/1341/problem/D) — [Link](https://www.youtube.com/watch?v=0TmuETwVit4&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=2)↵
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**Round #636:** ↵
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- [Problem D](https://codeforces.com/contest/1343/problem/D) — [Link](https://www.youtube.com/watch?v=TSUvGqRFlug&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=2)↵
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**Round #635:** ↵
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- [Problem D](https://codeforces.com/contest/1337/problem/D) — [Link](https://www.youtube.com/watch?v=KVJCbNyo48U&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=10)↵
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- [Problem C](https://codeforces.com/contest/1337/problem/C) — [Link](https://www.youtube.com/watch?v=6IY9kPbzkAI&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=8)↵
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**Round #633**: ↵
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- [Problem D](https://codeforces.com/contest/1339/problem/D) — [Link](https://www.youtube.com/watch?v=YCOkesE_eN8&list=PLgUwDviBIf0r6cbcALplFqkgi3ftjPb9N&index=3)↵
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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.
