CategoriesCTF2Math23Misc1OI47solution30template8project3sympy1Tagstree-diameter1tree-centroid1tree4tools2theme2surreal-numbers1sort1sieve2shortest-path1set-theory1sequence8random1project-euler1probability2prime4prefix-sum4powerful-number1poly1number-theory6meet-in-middle1math(oi)10linear-algebra1io2interactive2integrate2hash2hack1greedy3graph8geometry3general-term5games3fixed-point4finite-difference2fenwick1euler-totient1equation2dsu-on-tree1distance2dfs2data-structure5contest1constructive4construction1communication1combinatorics2brute-force1blocks1bitset2bits4binary-search1binary-lifting1asymptotic1Theorem6OS1OGF2Mo-algo2MST2Dynamic-Programming8Convolution2Calculus7Bugs1BIOS1Axiom1Ad-hoc5ASM1Archives2025-1111-03CF2162G (Div. 3) Beautiful Tree2025-1010-18数列分块入门 910-09部分重要函数渐进估计的初等证明10-08Jabberwocky I (Ynoi Easy Round 2016)10-07BIOS 中断调用 (int 10H)2025-0909-14P-smooth number (ABC 300 G)09-14Subset Product Problem (AGC 205 E)09-10均值不等式证明(AM-GM)09-03FWT 入门09-02Gosper-Algorithm2025-0808-29Codeforces Round 1046 (Div 2)08-26棋盘上的守卫 (bzoj 4883)08-25TEL-Teleportation (POI 2010)08-24sqrt(n²+n+X) (ABC 420)08-24monaco-editor-test08-23Trokuti (COTS 2023)08-22神秘构造题 108-20合金 (JSOI 2007)08-20排序问题 (JXOI 2018)08-19平方数 (SNOI 2024)08-18Bracket Pairing08-18Subarray Sum Divisibility (ABC 419)08-18foreverlasting and fried-chicken (HDU 2023(2))08-13Gastronomic Event (SWERC 2021)08-13铁路 2 (KTSC 2024 R1)08-13dynamic_bitset08-12Mr. Liang play Card Game (HDU 2023(1))08-11质数判定和快速质因数分解08-11WQS 二分优化 DP08-10快读快写模板 208-10斜率优化 DP08-10四边形不等式优化 DP08-09Binary Operation (ABC 418 G)08-09Increasing Numbers (AGC 011 E)08-09Luogu 981608-09Broken Device (JOISC 2017)08-08组合数计算模板08-07最短路算法08-07(PA2016 R1 A) Gra w karty08-05树上数子树颜色08-04Luogu 120032025-0707-28Nim 游戏及部分变种07-20Attention is all you need07-20Sin x 的无穷乘积表达07-20巴塞尔问题和 zeta(2k)07-20牛顿恒等式07-18第二类欧拉积分07-14无限幂塔方程07-14二次函数的二阶不动点07-14证明给定数为无理数2025-0606-22Swaks 发送邮件06-20一类一阶递推数列的通项公式求法06-20F(a, S) = 0 类数列通项06-19不动点法求解数列通项06-16ZFC 集合论公理体系06-06概率论2025-0505-31一类分式递推数列的通项公式求法05-26有限微积分05-23多项式全家桶05-21十二重计数法05-20CF2109C (Div. 2) Hacking Numbers05-19PE484 Arithmetic Derivative05-19CF2101B (Div. 1) Quartet Swapping05-17Linux 命令05-16Surreal Numbers05-15Sympy 向量计算2025-0404-30等差数列的 k 阶前缀和04-04快速求解 log204-02Firefox 高级设置04-01浅谈主流 Python 解释器的哈希表实现漏洞2025-0303-30Arknights Theme 修改日志03-29快读快写模板 (Linux)2025-0202-16曼哈顿与切比雪夫距离互化2025-0101-31快速区间查询2024-1010-09欧拉乘积公式2024-0909-28期望线性的平面最近点对算法2024-0707-25快速 GCD 算法∧