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Category: Solution

2023-12

12-27

CF1027E Inverse Coloring

12-12

2023-11

11-28

11-07

BalticOI 2004 Sequence

11-07

BJ United R4 彼岸蔷薇

11-02

AT CODE FESTIVAL 2017 qualB F

2023-10

10-13

CF1028G Guess the number

10-12

ARC121F Logical Operations on Tree

10-12

POI2018 Quick sort

10-12

CF1305G Kuroni and Antihype

10-07

POI2020+ R3 Nawiasowania

10-04

2023-09

09-08

CF1466I The Riddle of the Sphinx

2023-07

07-11

HAOI2017 供给侧改革

07-11

CCO2021 Swap Swap Sort

07-11

USACO22OPEN Up Down SubsequenceP

2023-06

06-24

JOISC2020 星座 3

06-14

2023-05

05-27

Code+2020 F 六元环与二叉树旋转

2023-03

03-06

CTS2023 琪露诺的符卡交换

03-06

CF1707E Replace

03-05

THUPC2023 D 种苹果

2023-02

02-17

清华集训2017 榕树之心

02-12

AGC061 A Long Shuffle

02-06

USACO 2019OPEN Valleys P

02-01

AGC027D Modulo Matrix

2023-01

01-15

IOI2022 最罕见的昆虫

2022-11

11-25

POI2013 LAB-Maze

11-18

CF1033G Chip Game

2022-08

08-06

HDU2022 D6T9 Map

08-06

HDU2022 D6T8 Shinobu Loves Segment Tree

08-05

HDU2022 D5T4 Surveying

2022-07

07-28

HDU2022 D4T5 Link with Level Editor II

07-19

HDU2022 D1T7 Treasure

07-19

HDU2022 D1T4 Ball

07-13

AT Birthday0410 X - 论如何在 2.9k 以内解决战斗

07-07

CEOI2021 Tortoise