AtCoder Beginner Contest 213
AtCoder Beginner Contest 213 - AtCoder
[ABC213E] Stronger Takahashi
题解在这(0-1BFS(双端队列BFS))
[ABC213F] Common Prefixes
学了字符串再补
AtCoder Beginner Contest 213 - AtCoder
[ABC213E] Stronger Takahashi
题解在这(0-1BFS(双端队列BFS))
[ABC213F] Common Prefixes
学了字符串再补