POD types non-POD types Standard Layout types A Formal Definition Informally, a standard layout class is one without direct or indirect virtual member functions, reference data members or virtual base classes. Formally, a standard-layout class is a c
http://acm.hdu.edu.cn/showproblem.php?pid=1113 Problem Description In millions of newspapers across the United States there is a word game called Jumble. The object of this game is to solve a riddle, but in order to find the letters that appear in th
(1)使用set/multiset之前必须包含头文件<set>:#include<set> (2)namespace std{ template <class T, class Compare = less<T>, class Allocator = allocator<T> > class set; template <class T, class Compare = less<T>, class Allocator = al