摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=5898 Problem Description For a number,if the length of continuous odd digits is even and the length of conti 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=5900 Every school has some legends, Northeastern University is the same.Enter from the north gate of Northea 阅读全文