随笔分类 - C++
摘要：#include <iostream> #include <vector> #include <list> #include <algorithm> using namespace std; template<class T> void myPrint(const T &data) { typena
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摘要：vector对头部的插入删除效率较低，数据量越大，效率越低 deque相对而言，对头部插入删除速度比vector快 vector访问元素时，比deque快，这和两者内部实现有关
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摘要：#include <iostream> #include <vector> using namespace std; #define NUM 10000 int main() { vector<int> v; int *p = NULL; int num = 0; for(int i = 0; i
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摘要：#include <iostream> #include <vector> #include <algorithm> using namespace std; class Print { public: void operator()(int i) { cout << i << endl; } };
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摘要：#include <iostream> #include <vector> #include <algorithm> using namespace std; class OpClass { public: void operator()(int i) { cout << i << endl; }
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摘要：//template.hpp #include <iostream> template<class typeName> class Person { public: Person(typeName name); void show(); protected: typeName m_name; };
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摘要：#include <iostream> template<class typeName> class Person { public: Person(typeName name); void show(); protected: typeName m_name; }; template<class
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摘要：#include <iostream> #include <typeinfo> template<class typeName> class Person { public: Person() { std::cout << "typeName数据类型 " << typeid(typeName).na
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摘要：#include <iostream> template<class typeName, class typeAge = int> class Person { public: Person(typeName name, typeAge age): name(name), age(age) {} v
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摘要：#include <iostream> template<class typeName, class typeAge> class Person { public: Person(typeName name, typeAge age): name(name), age(age) {} void sh
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摘要：#include <iostream> template<class typeName, class typeAge> class Person { public: Person(typeName name, typeAge age): name(name), age(age) {} void sh
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摘要：#include <iostream> template<class T> bool compare(T &a, T &b) { return (a == b); } class Person { public: Person(std::string name, int age): name(nam
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摘要：#include <iostream> /* 函数模板和普通函数都实现 优先调用普通函数 */ void myswap(int &a, int &b) { std::cout << "myswap" << std::endl; int tmp = a; a = b; b = tmp; } templ
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摘要：#include <iostream> template<typename T> void myswap(T &a, T &b) { T tmp = a; a = b; b = tmp; } int main() { using namespace std; int a = 1; int b = 2
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摘要：#include <iostream> #include <fstream> int main() { using namespace std; ifstream ifs; ifs.open("test.txt", ios::in); if(!ifs.is_open()) { cout << "op
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摘要：#include <iostream> #include <fstream> int main() { using namespace std; ofstream ofs; ofs.open("test.txt", ios::out); ofs << "hello furong" << endl;
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摘要：#include <iostream> class Person { public: Person() { std::cout << "Person" << std::endl; } virtual ~Person() = 0; public: }; Person::~Person() { std:
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摘要：#include <iostream> class Person { public: Person() { std::cout << "Person" << std::endl; } ~Person() { std::cout << "~Person" << std::endl; } public:
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摘要：#include <iostream> class Animal { public: virtual void talk() { std::cout << "Animal talk" << std::endl; } }; class Dog: public Animal { public: void
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摘要：#include <iostream> class Person { public: static int age; }; class Student: public Person { public: static int age; int grade; }; int Person::age = 5
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