摘要:
https://vjudge.net/contest/388843#problem/I Notice:Don't output extra spaces at the end of one line.Given n,x,yn,x,y, please construct a permutation o 阅读全文
摘要:
https://vjudge.net/contest/388843#problem/G Notice:Don't output extra spaces at the end of one line.Dodo bird and ddd are playing a stone game on a 2- 阅读全文