摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=1058 Problem Description A number whose only prime factors are 2,3,5 or 7 is called a humble number. The seq 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=1421 搬寝室 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s) 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=1159 Common Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Tota 阅读全文