摘要：
Super PrimeTime Limit: 5000MS Memory limit: 65536K题目描述We all know, prime is a kind of special number which has no other factors except of 1 and itself.2,3,5,7,11,13,17,19,23,29 are the top 20 primes.Now there is a new question about prime:We call a prime as super prime when and only when which can b 阅读全文
摘要：
487-3279Time Limit: 2000MS Memory limit: 65536K题目描述Businesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or phrase. For example, you can call the University of Waterloo by dialing the memorable TUT-GLOP. Sometimes only 阅读全文