Codeforces Round 1008 (Div. 1) 部分题目的题解：
A. Gellyfish and Flaming Peony
B. Gellyfish and Camellia Japonica
C. Gellyfish and Eternal Violet
D. Gellyfish and Forget-Me-Not

The 2nd Universal Cup Semifinals（UCup Semifinals）部分题目的题解：
A. Records in Chichén Itzá
C. Space Station
G. CNOI Knowledge
K. Game: Battle of Menjis
M. Puzzle: Summon

ICPC 2024 杭州区域赛（Hangzhou Regional）部分题目的题解：
B. Barkeley III
E. Elevator II
F. Fuzzy Ranking
G. Gathering Mushrooms
H. Heavy-light Decomposition
I. Identify Chord
M. Make It Divisible

Codeforces Round 1008 (Div. 1) 部分题目的题解：
A. Breach of Faith
B. Finding OR Sum
C. Binary Subsequence Value Sum
D. Maximum Polygon
E. Another Folding Strip

2025 华为数据通信高校程序设计竞赛训练营 Day 3 部分题目的题解：
A. Undercover
F. Competition
I. TianHe-IIA
K. Cards

ICPC 2024 西南欧区域赛（Southwestern European Regional / SWERC 2024）部分题解：
B. Divine Gifting
C. Phryctoria
E. Building the Fort
F. Yaxchilán Maze
J. Recovering the Tablet
K. Disk Covering
L. The Charioteer

ICPC 2024 横滨区域赛（Yokohama Regional）部分题目的题解：
A. Ribbon on the Christmas Present
B. The Sparsest Number in Between
C. Omnes Viae Yokohamam Ducunt?
D. Tree Generators
E. E-Circuit Is Now on Sale!
F. The Farthest Point
G. Beyond the Former Explorer
I. Greatest of the Greatest Common Divisors

ICPC 2024 EC Final 部分题目的题解：
A. Hitoshizuku
E. Corrupted Scoreboard Log
F. Boolean Function Reconstruction
G. Collatz Conjecture
H. Staircase Museum
I. Color-Balanced Tree
K. Exploration Boundary

ICPC 2024 沈阳区域赛（Shenyang Regional）部分题解：
B. Magical Palette
D. Dot Product Game
G. Guess the Polygon
H. Guide Map
I. Growing Tree

ICPC 2024 香港区域赛（Hong Kong Regional）部分题目的题解：
B. Defeat the Enemies
C. The Story of Emperor Bie
F. Money Game 2
G. Yelkrab
K. LRString
L. Flipping Paths