摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=3466 Problem Description Recently, iSea went to an ancient country. For such a long time, it was the most we 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=2602 Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=2546 Problem Description 电子科大本部食堂的饭卡有一种很诡异的设计,即在购买之前判断余额。如果购买一个商品之前,卡上的剩余金额大于或等于5元,就一定可以购买成功(即使购买后卡上余额为负),否则 阅读全文