CategoriesCTF2Math21Misc1OI42solution25template8project2sympy1Tagstree-diameter1tree-centroid1tree3tools2theme2surreal-numbers1sort1sieve1shortest-path1set-theory1sequence8random1project-euler1probability2prime3prefix-sum3powerful-number1poly1number-theory5math(oi)8math2luogu1linear-algebra1io2interactive2integrate2hash2hack1greedy3graph8geometry3general-term5games3fixed-point4finite-difference2equation2dsu-on-tree1distance2dfs1data-structure5contest1constructive3construction1communication1combinatorics2codeforces2brute-force1bitset2bits3binary-search1binary-lifting1Theorem5OGF2Mo-algo2MST2Dynamic-Programming8Convolution2Calculus7Bugs1Axiom1Ad-hoc5Tag: sequence2025-0909-02Gosper-Algorithm2025-0707-14无限幂塔方程2025-0606-20一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2025-0404-30等差数列的 k 阶前缀和∧