Thank you for the good work! The videos were always easy to understand and entertaining to watch. Glad to see you explore more diverse forms of videos.
@yuya_youtube2 күн бұрын
むちゃくちゃ頑張れば証明できそうなラインだったから結構悔しい
@yilai63072 күн бұрын
I dont think I would come up with a prove by induction, ty for the video
Hello bro can you explain me the task d why have you taken input as for (int i = 1; i <= m; i++) { int u, v, w; cin >> u >> v >> w; adj[u].push_back({v, w}); adj[v].push_back({u, -w}); } when in question its written a directed edge goes from vertex uj to vj and has weight wj .so why add the reverse edge with negative weight
@Capo-ql9st3 күн бұрын
First of all, we can add edges as long as they don’t contradict to the dependency created by the original ones nor connect components that was not connected. So adding the reverse edge like this is totally ok. On the other hand, if we don’t add reverse edges, BFS does not always traverse all the connected vertices if we accidentally start from the vertex who does not have outward edge( e.g. what happens if you start from the bottom left vertex in 2:08 ?). So it’s common operation for convenience when we do BFS/DFS :)
Very good editorial! What do you think the approximate rating of Problem E compared to codeforces rating?
@evimalab3 күн бұрын
Thanks! I don't know much about Codeforces rating, but I think you need to solve it quickly if you want to be competitive in Div.1.
@caiodavi98293 күн бұрын
id say 1700-1800
@evimalab3 күн бұрын
なぜ最終回なのかを動画内で説明したかったのですが、(例によって)間に合いませんでした。 「KZbin チャンネルとしては同じような動画を出しすぎている」というのが最大の理由です。(今回が86回目でした。) 毎週ABCの解説をするのをやめるだけで、競技プログラミングは今後も扱うのでよろしくお願いします。 === I wanted to explain in the video why this is the final one, but (as usual) I couldn’t make it in time. The biggest reason is that "I've been putting out too many similar videos as a KZbin channel." (This was the 86th one.) I'm only stopping the weekly explanations of ABCs. I'll continue to cover competitive programming, so please stay tuned.
@numberbasher2693 күн бұрын
Noooo, please don't. Create an alternate KZbin Channel if you like, but we really need these explanations... en_translator is trash.
@数奇さん3 күн бұрын
Xに動画を載っける→閲覧数で収益化 みたいな形は取れないだろうか? このコンスタントな動画が欲しい
@smallsheep-tv6eb3 күн бұрын
Maybe you can create a new channel to post these vivid videos! We really need your explanations to help us solve the problems!