A. Minimum Difficulty time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mike is trying rock climbing but he is awful at it. There are n holds on the wall, i-th hold is at height ai off the g
1.作用 c++11以前,临时对象.字面常量一般情况下不可以再次访问,也不可以修改.右值引用可以解决这个问题. 1.1 实验A #include <iostream> using namespace std; class A{ int id; public: A(int i) : id(i){ cout << "A constructor " << id << endl; } ~A(){ cout << "A des