[ABC313Ex] Group Photo

动态规划 DP

[ABC314A] 3.14

模拟

[ABC314B] Roulette

模拟

[ABC314C] Rotate Colored Subsequence

模拟

[ABC314D] LOWER

模拟

[ABC314E] Roulettes

动态规划 DP · 期望

[ABC314F] A Certain Game

并查集

[ABC314G] Amulets

贪心

[ABC314Ex] Disk and Segments

计算几何 · 三分 · 模拟退火

[ABC315A] tcdr

模拟

[ABC315B] The Middle Day

枚举

[ABC315C] Flavors

贪心 · 枚举

[ABC315D] Magical Cookies

模拟 · 枚举

[ABC315E] Prerequisites

拓扑排序

[ABC315F] Shortcuts

动态规划 DP

[ABC315G] Ai + Bj + Ck = X (1 <= i, j, k <= N)

枚举 · 扩展欧几里德算法 · 类欧几里得算法

[ABC315Ex] Typical Convolution Problem

cdq 分治 · 快速数论变换 NTT

[ABC317A] Potions

枚举

[ABC317B] MissingNo.

枚举

[ABC317C] Remembering the Days

[ABC317D] President

背包 DP

[ABC317E] Avoid Eye Contact

模拟 · 广度优先搜索 BFS

[ABC317F] Nim

数位 DP

[ABC317G] Rearranging

网络流 · 二分图

[ABC317Ex] Walk

生成函数 · 线性递推

[ABC318A] Full Moon

枚举

[ABC318B] Overlapping sheets

模拟

[ABC318C] Blue Spring

模拟 · 贪心 · 前缀和

[ABC318D] General Weighted Max Matching

动态规划 DP · 搜索 · 状态合并

[ABC318E] Sandwiches

枚举

[ABC318F] Octopus

贪心 · 枚举

[ABC318G] Typical Path Problem

网络流 · 双连通分量 · 圆方树

[ABC318Ex] Count Strong Test Cases

多项式 · 生成函数

[ABC319A] Legendary Players

模拟

[ABC319B] Measure

模拟

[ABC319C] False Hope

模拟

[ABC319D] Minimum Width

二分

[ABC319E] Bus Stops

数论

[ABC319F] Fighter Takahashi

动态规划 DP · 贪心 · 状态合并

[ABC319G] Counting Shortest Paths

动态规划 DP · 动态规划优化

[ABC320A] Leyland Number

模拟

[ABC320B] Longest Palindrome

字符串

[ABC320C] Slot Strategy 2 (Easy)

模拟

[ABC320D] Relative Position

图遍历

[ABC320E] Somen Nagashi

模拟 · 优先队列

[ABC320F] Fuel Round Trip

动态规划 DP

[ABC320G] Slot Strategy 2 (Hard)

[ABC321A] 321-like Checker

模拟

[ABC321B] Cutoff

模拟

[ABC321C] 321-like Searcher

搜索