IOI2020国家集训队作业 Part 3

[AGC029F] Construction of a tree

[AGC030C] Coloring Torus

[AGC030D] Inversion Sum

[AGC030E] Less than 3

[AGC030F] Permutation and Minimum

[AGC031D] A Sequence of Permutations

[AGC031E] Snuke the Phantom Thief

[AGC031F] Walk on Graph

[AGC032C] Three Circuits

[AGC032D] Rotation Sort

[AGC032E] Modulo Pairing

[AGC032F] One Third

[AGC033D] Complexity

[AGC033E] Go around a Circle

[AGC033F] Adding Edges

[AGC034D] Manhattan Max Matching

[AGC034E] Complete Compress

[AGC034F] RNG and XOR

[AGC035C] Skolem XOR Tree

[AGC035D] Add and Remove

[AGC035E] Develop

[AGC035F] Two Histograms

[AGC036D] Negative Cycle

[AGC036E] ABC String

[AGC036F] Square Constraints

[AGC037D] Sorting a Grid

[AGC037E] Reversing and Concatenating

[AGC037F] Counting of Subarrays

[AGC038E] Gachapon

[AGC038F] Two Permutations

[AGC039D] Incenters

[AGC039E] Pairing Points

[AGC039F] Min Product Sum

[ARC089D] ColoringBalls

[ARC091D] Strange Nim

[ARC092D] Two Faced Edges

[ARC093C] Bichrome Spanning Tree

[ARC093D] Dark Horse

[ARC095D] Permutation Tree

[ARC096C] Everything on It

[ARC096D] Sweet Alchemy

[ARC097D] Monochrome Cat

[ARC098D] Donation

[ARC099D] Eating Symbols Hard

[ARC100D] Colorful Sequences

[ARC101C] Ribbons on Tree

[ARC101D] Robots and Exits

[ARC102D] Revenge of BBuBBBlesort!

[ARC103B] Robot Arms

[ARC103D] Distance Sums