WJF的博客

#include <iostream> using namespace std; int main () { int age = 27; int *page = &age; string name = "WJF"; string *pname = &name; int numbers[5] = {1,2,3,4,5}; c...

#include<iostream> #include<cmath> using namespace std; int main() { cout << "Size of char : " << sizeof(char) << endl; c

声明一个book类： #include<iostream> using namespace std; class Book { public: string name; string author; int pages; }; int main() { Book book1; book1.name = "Lord of Ring...

插入排序法，代码如下： subroutine insertionsort(a) implicit none integer :: a(:) integer :: temp integer :: n , ii,jj n=size(a) do ii=2,n do jj=ii,2,-1 if(a(jj) < a(jj-1)) t...

参考： http://www.cplusplus.com/reference/complex/complex/ #include<complex> #include<iostream> using namespace :: std; int main(){ std::complex<double> cnum1; std::complex&

使用析构函数析构数组的时候，析构的顺序是正向还是反向？写一段代码来看看： #include<stdio.h> class A{ public: A(){printf("A::A()\naddress=%p\n",this);} ~A(){printf("~A::A() i=%d\naddress=%p\n",i,this);} void setA(int ii){i=...

模板 Template #include<iostream> using namespace std; template <typename T> T func(T a,T b){ return a+b; } int main(){ int a=1; int b=2; float c=3.0; float d=4.5; ...