摘要:
之前的小结:https://blog.csdn.net/fufck/article/details/788443091.bzoj2301 题意:满足 a ≤ x ≤ b , c ≤ y ≤ d ,且gcd(x,y) = k 的个数(1≤n≤50000,1≤a≤b≤50... 阅读全文
摘要:
Wow! Such Conquering!Time Limit: 15000/8000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Oth... 阅读全文