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Problems to do P3780 [SDOI2017] 苹果树 P4292 [WC2010] 重建计划 properties of center CF685B Kay and Snowflake [center of tree] {1900} P3345 幻想乡战略游戏 [] {purple 阅读全文
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Objectives Review trees and make a problemlistblog about it Upsolve contests Contests to do Mon: HEZ NOI round participate Mon: Codeforces Round 1008 阅读全文
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I will try to assign titles to these rando notes from now on. From now on, I will make weekly summaries, the number of rando notes will increase drama 阅读全文
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2025年四川省队选拔赛复盘 如果我们cdqz还有人不想被cfls和cdjx下赛季打爆的话 就做点实事而不是整天口嗨 比赛时间线复盘 我对比赛难度没有明确概念。根据去年经验，原以为题目会非常困难，若能解决第一题都算万幸。但实际比赛似乎比想象中简单些。 第一日 开考5分钟后全场键盘声此起彼伏，这可能是 阅读全文
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Translated version Terminology: To "solve some points" means to come up with a solution capable of getting such specific points. The 2025 Sichuan prov 阅读全文
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So you are telling me these are called rando notes because I cannot think up of a good title right My first literal journal to be written lol. Day -1 阅读全文
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原文 这是我第一次真正感受到力量。 值得一提的是，这是我第一次在模拟省级选拔赛中得到一个场切。我的能力似乎明显高于2024年6月，当时我们在gez 训练。因此，我相信我在这次训练中比以前收获更多。 每场比赛的第一个问题通常都不难，而且我经常可以解决。然而，第二个问题通常需要更多的思考，有时还需要一些 阅读全文
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Translated version The first time I actually feel power. #define psc provincial selection contest Something worth to be mentioned, it is the first tim 阅读全文
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larryzhong: 你回顾你打的不好的比赛，你会发现很多都是时间分配出了比较大的问题 \(2p+48+20=268\). Not good at all. The main problem seems to be missing subtasks with extra limitations i 阅读全文
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There once was a time blundering wasn't a thing, and at that time I almost never blunder my points, and getting constant rank 1 in our grade. That was 阅读全文