摘要:
【基本的集合操作】: (1) 空集Ø > 0 (2)只含有第 i 个元素的集合{ i } > 1 << i (3)含有全部 n 个元素的集合{0, 1, ..., n-1} > (1 << n) - 1 (4)判断第 i 个元素是否属于集合 S > if (S >> i & 1) (5)向集合中加入 阅读全文
摘要:
Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 62172 Accepted: 18837 Description The police office in Tadu City deci 阅读全文
摘要:
Moo University - Financial Aid Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 14558 Accepted: 4320 Description Bessie noted that although 阅读全文