摘要：
http://poj.org/problem?id=2509Peter's smokesTime Limit:1000MSMemory Limit:65536KTotal Submissions:16957Accepted:6984DescriptionPeter has n cigarettes.... 阅读全文
摘要：
科学计算器C++编写计算器代码： 1 #include 2 #include 3 #include 4 #include 5 #include 6 7 using namespace std; 8 9 char ch; 10 stringstream ss; 11 stri... 阅读全文