[ABC143F] Distinct Numbers

二分 · 前缀和 · 双指针 two-pointer

[ABC144A] 9x9

[ABC144B] 81

[ABC144C] Walk on Multiplication Table

[ABC144D] Water Bottle

[ABC144E] Gluttony

[ABC144F] Fork in the Road

[ABC145A] Circle

[ABC145B] Echo

[ABC145C] Average Length

[ABC145D] Knight

[ABC145E] All-you-can-eat

[ABC145F] Laminate

[ABC146A] Can't Wait for Holiday

[ABC146B] ROT N

[ABC146C] Buy an Integer

二分

[ABC146D] Coloring Edges on Tree

构造

[ABC146E] Rem of Sum is Num

[ABC146F] Sugoroku

动态规划 DP · 贪心

[ABC147A] Blackjack

[ABC147B] Palindrome-philia

[ABC147C] HonestOrUnkind2

搜索

[ABC147D] Xor Sum 4

位运算

[ABC147E] Balanced Path

[ABC147F] Sum Difference

[ABC148A] Round One

[ABC148B] Strings with the Same Length

[ABC148C] Snack

[ABC148D] Brick Break

[ABC148E] Double Factorial

[ABC148F] Playing Tag on Tree

广度优先搜索 BFS

[ABC149A] Strings

[ABC149B] Greedy Takahashi

[ABC149C] Next Prime

[ABC149D] Prediction and Restriction

[ABC149E] Handshake

二分

[ABC149F] Surrounded Nodes

[ABC150A] 500 Yen Coins

[ABC150B] Count ABC

[ABC150C] Count Order

枚举 · 排列组合

[ABC150D] Semi Common Multiple

[ABC150E] Change a Little Bit

数学 · 组合数学

[ABC150F] Xor Shift

哈希 hashing · KMP 算法

[ABC151A] Next Alphabet

[ABC151B] Achieve the Goal

[ABC151C] Welcome to AtCoder

[ABC151D] Maze Master

广度优先搜索 BFS

[ABC151E] Max-Min Sums

数学 · 组合数学

[ABC151F] Enclose All

计算几何

[ABC152A] AC or WA