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Create The Teams
Berserk And Fireball
Merging Towers
Strange Addition
Circular Dungeon
Prefix Flip (Hard Version)
构造
Prefix Flip (Easy Version)
构造
Unmerge
Mastermind
构造
The Majestic Brown Tree Snake
贪心
·
树论
·
Ad-hoc
Origami
Common Subsequence
Sequential Nim
String Transformation 1
GameGame
String Transformation 2
Rearrange
贪心
·
排序
·
构造
Strange Operation
Special Edges
Common Prefixes
Koa and the Beach (Hard Version)
Koa and the Beach (Easy Version)
Three Pairwise Maximums
Restore the Permutation by Merger
Make It Good
a-Good String
分治
Directing Edges
Removing Leaves
Columns Swaps
并查集
·
图论建模
·
二分图
·
基环树
Colors
2020
·
BalticOI（波罗的海）
Mixture
2020
·
BalticOI（波罗的海）
Joker
2020
·
BalticOI（波罗的海）
Graph
2020
·
BalticOI（波罗的海）
Village (Maximum)
贪心
·
树形数据结构
Village (Minimum)
Viruses
2020
·
BalticOI（波罗的海）
Captain Flint and Crew Recruitment
Captain Flint and a Long Voyage
Uncle Bogdan and Country Happiness
图论
Captain Flint and Treasure
Uncle Bogdan and Projections
LCM Problem
Array Walk
Good String
Segment Intersections
Calendar Ambiguity
Bicolored Segments
Directing Edges
Suborrays
Fix You
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