摘要：
The Euler functionTime Limit : 2000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other)Total Submission(s) : 26 Accepted Submission(s) : 16Problem DescriptionThe Euler function phi is an important kind of function in number theory, (n) represents the amount of the numbers which are smaller 阅读全文
