摘要:
4487. Can you answer these queries VIProblem code: GSS6Given a sequence A of N(N #include#include#include#include#include#include#include#include#incl... 阅读全文
摘要:
1486: [HNOI2009]最小圈Time Limit:10 SecMemory Limit:64 MBSubmit:1022Solved:487[Submit][Status]Description 最开始写floyd求负环结果TLE了,改成dfs后速度变成原来的100+倍。反正还是比较神奇... 阅读全文