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

ICPC 2018 World Finals（Codeforces Gym 102482）部分题目的题解：
A. Catch the Plane
B. Comma Sprinkler
E. Getting a Jump on Crime
H. Single Cut of Failure
I. Triangles