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

Tsinghua Bootcamp 2024 预选赛部分题目的题解：
A. A + B
C. Historic Memories
E. Secure Prison
G. Crazy Arrangements
I. Delivery Robot
J. Pizza
K. String Mutation
L. Magical Clock