[ABC139D] ModSum

[ABC139E] League

[ABC139F] Engines

[ABC140A] Password

[ABC140B] Buffet

[ABC140C] Maximal Value

[ABC140D] Face Produces Unhappiness

[ABC140E] Second Sum

[ABC140F] Many Slimes

[ABC141A] Weather Prediction

[ABC141B] Tap Dance

[ABC141C] Attack Survival

[ABC141D] Powerful Discount Tickets

堆 · STL

[ABC141E] Who Says a Pun?

[ABC141F] Xor Sum 3

[ABC142A] Odds of Oddness

[ABC142B] Roller Coaster

[ABC142C] Go to School

[ABC142D] Disjoint Set of Common Divisors

[ABC142E] Get Everything

动态规划 DP · 状压 DP

[ABC142F] Pure

[ABC143A] Curtain

[ABC143B] TAKOYAKI FESTIVAL 2019

[ABC143C] Slimes

[ABC143D] Triangles

[ABC143E] Travel by Car

[ABC143F] Distinct Numbers

[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

[ABC147D] Xor Sum 4

位运算

[ABC147E] Balanced Path