摘要:
The xor-longest PathTime Limit:2000MSMemory Limit:65536KTotal Submissions:3875Accepted:850DescriptionIn an edge-weighted tree, the xor-length of a pat... 阅读全文
摘要:
1257: [CQOI2007]余数之和sumTime Limit:5 SecMemory Limit:162 MBSubmit:1779Solved:823[Submit][Status]Description给出正整数n和k,计算j(n, k)=k mod 1 + k mod 2 + k mo... 阅读全文