zz_hh_uu_的博客

exp1main.cpp#include <stdio.h>#include <stdlib.h>#include "argsh.h"int main(int argc, char* argv[]){ int tmp = 4; while( (tmp = getopt(argc, argv, "abck")) != -1 ) { printf("00000000\n"); printf("tmp=%.

#include <iostream>#include <functional>#include <memory>class classA{ typedef std::function<void(int i)> callback_t; public: classA() {} ~classA() {} void handle(int i) { std::cout << "classA::handle " &l

#include <iostream>struct LogMessageEnvelope{ enum Severity{ kAssertFailed = -3, kError = -2, kWarning = -1, kInfo = 0 }; int severity;};int A(LogMessageEnvelope::Severity severity){ std::cout <

#include <iostream>#include <vector>using namespace std;template<typename T>typename T::value_type top(const T &c){ if (!c.empty()){ return c.back(); } else return typename T::value_type();}int mai

#include<iostream>#include<vector>#include<algorithm>struct PathTrie{ int score; char character; int id;}*aa,*bb,*cc,*dd;bool prefix_compare(const PathTrie *x, const PathTrie *y) { if (x->score == y-&

testscanf.cc#include <stdio.h>#include <stdlib.h>#include <inttypes.h>int main(int argc,const char *argv[]) { char buffer[101]; uint64_t count; FILE *file = fopen("1.txt","r"); for(int i=0;!feof(file);++i){ i.

#include <sys/stat.h>#include <dirent.h>#include <stdio.h>#include <string.h>#include <stdlib.h>typedef struct { const char *name; const char *languages; ...

mymath.h：#ifndef _MYMATH_H#define _MYMATH_Hint add(int, int);int sub(int, int);int mul(int, int);int div(int, int);#endifmymath.c:#include "mymath.h"int add(int a, int b){ retur...

#include <ctime>#include <string>#include <iostream>std::string get_greet(const std::string& who) { return "Hello " + who;}void print_localtime() { std::time_t result ...

#include<stdio.h>#include<map>using namespace std;typedef map<int,char*> Container;typedef pair<int,char *> Element;int main(){ Container container; for (int nIn...

入门使用例1:使用编译好的kenlm工具手动生成file.arpa，然后测试如下代码#include "lm/model.hh"#include <iostream>#include <string>int main() { using namespace lm::ngram; Model model("file.arpa"); State state...

#include <iostream>#include <type_traits>#include <typeinfo>#include <memory>using namespace std;struct A{ A(int&& n) { cout << "rvalue ove...

#include <iostream>using namespace std;class Matrix{ float *data;public: size_t n,m; Matrix(size_t r,size_t c):data(new float[r*c]),n(r),m(c){} ~Matrix() {delete[] data;} ...

虚函数和纯虚函#include <iostream>using namespace std;class A{public: virtual void out1()=0; ///由子类实现 virtual ~A(){}; virtual void out2() ///默认实现 { cout<<"A(out2)"&l...

左值、左值引用、右值、右值引用左值和右值的概念左值是可以放在赋值号左边可以被赋值的值；左值必须要在内存中有实体；右值当在赋值号右边取出值赋给其他变量的值；右值可以在内存也可以在CPU寄存器。一个对象被用作右值时，使用的是它的内容(值)，被当作左值时，使用的是它的地址。引用引用是C++语法做的优化，引用的本质还是靠指针来实现的。引用相当于变量的别名。引用可以改变指针的指向...

test_01.cpp#include <gtest/gtest.h>#include <stdio.h>using testing::Types;template <class T>class TypeTest : public testing::Test {public: bool CheckData() { if (ty...

ostringstream#include <string>#include <iostream>#include <sstream>using namespace std;int main(){ ostringstream ostr1; ostr1 << "123" << endl;//换行也加入 ...

1class TestBase{public: virtual ~TestBase() {} virtual void FuncA(int param) = 0; virtual bool FuncB(int param) = 0;}; template<typename T>class TestA: public TestBase{pub...

sample2.cpp#include "sample2.h"#include <string.h>//克隆一个0-terminated C string, 用new分配内存.const char* MyString::CloneCString(const char* a_c_string) { if (a_c_string == NULL) return NUL...

#include <future>#include <iostream>#include <string>std::string helloFunction(const std::string& s) { return "Hello C++11 from " + s + ".";}class HelloFunctionObject ...

#include <iostream>using namespace std;template <typename T, typename ... ARGS>unique_ptr<T> factory(const ARGS&... args){ return unique_ptr<T>(new T { args... });...

#include<stdio.h> #include <cassert>#include <iostream>#include <string>#define DEBUG_PRINT(msg) do{printf("%s - %s - line:%d, file:%s", __DATE__, __TIME__, __LINE__, __...