[ABC475B] Change

[ABC475C] Walk the Line

枚举 · 前缀和 · 双指针 two-pointer

[ABC475D] Alphametic Prime

字符串 · 搜索 · 枚举 · 线性筛法

[ABC475E] Quiz Competition: Qualifiers

字典树 Trie · bitset

[ABC475F] Rectangle Filling

前缀和 · 双指针 two-pointer

[ABC475G] Has Many Divisors

搜索 · 数论 · 广度优先搜索 BFS · 深度优先搜索 DFS · 剪枝 · 素数判断 · 最大公约数 gcd

[ABC476A] Appender

模拟

[ABC476B] Wild Card

模拟 · 字符串

[ABC476C] Third Largest Number

模拟

[ABC476D] Automat

贪心 · 二分

[ABC476E] Min-Max Swap

模拟 · 线段树

[ABC476F] Chebyshev Cafe

[ABC476G] Increasing Popcount

组合数学 · Dilworth 定理

[ABC477A] Traffic Light

模拟

[ABC477B] Standing Outliers

模拟

[ABC477C] Range Search Query

字符串 · 枚举 · 前缀和

[ABC477D] Masking Tape

模拟 · 线段树

[ABC477E] Wheel Distance

最短路 · 前缀和 · 分类讨论

[ABC477F] Count Cells in a Window

线段树 · 树状数组 · 可持久化线段树 · 扫描线 · 离线处理

[ABC477G] Frequency Query on Tree

[ABC478A] Grapes

模拟

[ABC478B] Topping

[ABC478C] Sort Subarray

贪心 · 单调队列 · 排序

[ABC478D] Range Set Insertion Query

差分

[ABC478E] lt and le

动态规划 DP · 拓扑排序 · Tarjan · 差分约束

[ABC478F] Min-First Search

线段树 · 二分 · 单调栈

[ABC478G] Division Point Hull

计算几何 · cdq 分治 · 分治 · 凸包 · 闵可夫斯基和 Minkowski sum

[ABC479A] Odd Index Sum

模拟

[ABC479B] Longest Rainy Streak

模拟 · 字符串

[ABC479C] Bento Packing

枚举 · 深度优先搜索 DFS

[ABC479D] Back and Forth Distance

贪心 · 前缀和 · 分类讨论

[ABC479E] Cut and Add

线段树 · 深度优先搜索 DFS · 树形 DP · 差分

[ABC479F] Narrow Passage

线段树 · 树状数组

[ABC479G] Tuning

数学 · 分类讨论

[ABC480A] ADjacent

字符串

[ABC480B] Invalid Vote

[ABC480C] Self-Stopping Shower

[ABC480D] Concatenation of Prefixes

[ABC480E] Product-Bounded Arithmetic Sequences

[ABC480F] Cake Cutting

[ABC480G] Zonal Score Minimization

Repeat ACL

Integer Preference

Connect Cities

Flat Subsequence

Replace Digits

Heights and Pairs

Reachable Towns

Sum is Multiple

Moving Pieces