茄子Min

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Make It Connected CodeForces - 1095F (建图+最小生成树)

Almost Acyclic Graph CodeForces - 915D (思维+拓扑排序判环)

Codeforces 920E-Connected Components? (set,补图,连通块)

2019ICPC南京网络赛A题 The beautiful values of the palace(三维偏序)

HH的项链 HYSBZ - 1878 (莫队/ 树状数组)

Diagonal Walking v.2 CodeForces - 1036B (思维,贪心)

F - One Occurrence CodeForces - 1000F (线段树+离线处理)

Can you answer these queries I SPOJ - GSS1 (线段树维护区间连续最大值/最大连续子段和)

Lucky HDU - 5213 (莫队,容斥)

Powerful array CodeForces - 86D (莫队算法)

D. Happy Tree Party CodeForces 593D树链剖分,树边权转点权

Continued Fractions CodeForces - 305B (java+高精 / 数学)

Reachability from the Capital CodeForces - 999E (强连通)

Educational Codeforces Round 40 C. Matrix Walk( 思维)

使用Tarjan进行缩点无向图

关于set/map 等容器对string类的时间性能指标对比

[Codeforces Round #617 (Div. 3)] 题解 A,B,C,D,E1,E2,F

[Codeforces Round #622 (Div. 2)] - C2. Skyscrapers (hard version) (单调栈)

AtCoder Beginner Contest 152 - F - Tree and Constraints (容斥定理+树上路径的性质)

Fire Again CodeForces - 35C (BFS)

AtCoDeerくんと選挙速報 / AtCoDeer and Election Report AtCoder - 2140 (按比例扩大)

すぬけ君の塗り絵 / Snuke's Coloring AtCoder - 2068 (思维,排序,贡献)

AtCoder Beginner Contest 124 D - Handstand(思维+前缀和)