HBC52034日常诈骗签到题,欧拉函数,数学,数论Make Shan Happy题解 Shan is a kind of fish and looks very beautiful in dress. There is a tree whose root is 1. Every no... 算法基础篇 2023-11-13 111 #HBC52034日常诈骗签到题 #欧拉函数 #数学 #数论Make Shan Happy题解