IOI 2020 集训队作业 第 3 弹

题单介绍

[IOI 2020 集训队作业 第 1 弹](/training/6) [IOI 2020 集训队作业 第 2 弹](/training/7) IOI 2020 集训队作业 第 3 弹 搬运。 完整列表： ```plain AT4434 AT4513 AGC026F* AT4512 AT3963 AT3980 AT4432 AT4929 AT4353 AT3945 AT3949 AT3872 AT4504 AT4379 AT4363 AT4438 AT3962 AT4502 AT3981 AT3871 AT3974 AT4119 AT3939 AT4440 AT4352 AT4114 AT4437 AT3957 AT3968 AT4169 AT3961 AT3969 AT3859 AGC026D* AT3878 AT3858 AT4163 AT3967 AT4378 AT4120 AT4133 AT4696 AT5620 AT3860 AT3951 AT5618 AT3950 AT3955 AT4144 AT3956 ``` 其中标 `*` 的洛谷上不知为啥没有。

题目列表

  • [ARC103F] Distance Sums
  • [AGC030D] Inversion Sum
  • [AGC030C] Coloring Torus
  • [AGC024F] Simple Subsequence Problem
  • [ARC093E] Bichrome Spanning Tree
  • [ABC111D] Robot Arms
  • [AGC033F] Adding Edges
  • [ARC101F] Robots and Exits
  • [ARC092F] Two Faced Edges
  • [AGC022D] Shopping
  • [AGC021F] Trinity
  • [AGC029E] Wandering TKHS
  • [AGC027E] ABBreviate
  • [ARC102F] Revenge of BBuBBBlesort!
  • [AGC028D] Chords
  • [AGC024E] Sequence Growing Hard
  • [AGC029C] Lexicographic constraints
  • [ARC093F] Dark Horse
  • [AGC021E] Ball Eat Chameleons
  • [AGC026E] Synchronized Subsequence
  • [ARC096E] Everything on It
  • [ARC091F] Strange Nim
  • [AGC028F] Reachable Cells
  • [ARC101E] Ribbons on Tree
  • [ARC095F] Permutation Tree
  • [AGC028C] Min Cost Cycle
  • [AGC023F] 01 on Tree
  • [AGC025E] Walking on a Tree
  • [ARC100F] Colorful Sequences
  • [AGC024D] Isomorphism Freak
  • [AGC025F] Addition and Andition
  • [AGC020E] Encoding Subsets
  • [ARC089F] ColoringBalls
  • [AGC020D] Min Max Repetition
  • [ARC099F] Eating Symbols Hard
  • [AGC025D] Choosing Points
  • [AGC027D] Modulo Matrix
  • [ARC096F] Sweet Alchemy
  • [ARC097F] Monochrome Cat
  • [AGC031F] Walk on Graph
  • [AGC039F] Min Product Sum
  • [AGC020F] Arcs on a Circle
  • [AGC022F] Checkers
  • [AGC039D] Incenters
  • [AGC022E] Median Replace
  • [AGC023D] Go Home
  • [ARC098F] Donation
  • [AGC023E] Inversions