摘要:
Shortest Prefixes Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 17683 Accepted: 7686 Description A prefix of a string is a substring star 阅读全文
摘要:
UVA - 11987 Almost Union-Find I hope you know the beautiful Union-Find structure. In this problem, you’re to implement something similar, but not iden 阅读全文