摘要:
2301: [HAOI2011]Problem bTime Limit:50 SecMemory Limit:256 MBSubmit:1737Solved:749[Submit][Status][Discuss]Description对于给出的n个询问,每次求有多少个数对(x,y),满足a≤x≤b... 阅读全文
摘要:
1968: [Ahoi2005]COMMON 约数研究Time Limit:1 SecMemory Limit:64 MBSubmit:1127Solved:852[Submit][Status][Discuss]DescriptionInput只有一行一个整数 N(0 0 do14 ... 阅读全文