[ABC152B] Comparing Strings

[ABC152C] Low Elements

[ABC152D] Handstand 2

[ABC152E] Flatten

数学 · 数论 · 最大公约数 gcd

[ABC152F] Tree and Constraints

容斥原理

[ABC153A] Serval vs Monster

[ABC153B] Common Raccoon vs Monster

[ABC153C] Fennec vs Monster

[ABC153D] Caracal vs Monster

[ABC153E] Crested Ibis vs Monster

[ABC153F] Silver Fox vs Monster

贪心 · 二分 · 离散化 · 差分

[ABC154A] Remaining Balls

[ABC154B] I miss you...

[ABC154C] Distinct or Not

[ABC154D] Dice in Line

概率论 · 期望

[ABC154E] Almost Everywhere Zero

枚举

[ABC154F] Many Many Paths

组合数学

[ABC155A] Poor

[ABC155B] Papers, Please

[ABC155C] Poll

[ABC155D] Pairs

[ABC155E] Payment

[ABC155F] Perils in Parallel

图论建模 · 差分

[ABC156A] Beginner

[ABC156B] Digits

[ABC156C] Rally

[ABC156D] Bouquet

[ABC156E] Roaming

组合数学

[ABC156F] Modularness

[ABC157A] Duplex Printing

[ABC157B] Bingo

[ABC157C] Guess The Number

模拟 · 枚举

[ABC157D] Friend Suggestions

并查集

[ABC157E] Simple String Queries

线段树 · 树状数组 · bitset

[ABC157F] Yakiniku Optimization Problem

[ABC158A] Station and Bus

[ABC158B] Count Balls

[ABC158C] Tax Increase

[ABC158D] String Formation

[ABC158E] Divisible Substring

[ABC158F] Removing Robots

动态规划 DP · 线段树 · 动态规划优化 · 单调栈

[ABC159A] The Number of Even Pairs

[ABC159B] String Palindrome

[ABC159C] Maximum Volume

[ABC159D] Banned K

[ABC159E] Dividing Chocolate

贪心 · 递归 · 枚举 · 深度优先搜索 DFS · 前缀和

[ABC159F] Knapsack for All Segments

动态规划 DP · 背包 DP

[ABC160A] Coffee

[ABC160B] Golden Coins

[ABC160C] Traveling Salesman around Lake