摘要:
" 题目链接 " Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the stick 阅读全文
摘要:
" 题目链接 " Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortuna 阅读全文