AI代码解释 #include"iostream"using namespace std;#include"string"#include"algorithm"intmain(){string s1="Tom And Jerry";// 将字符串 翻转reverse(s1.begin(),s1.end());// 打印 s1值cout<<"s1 = "<<s1<<endl;// 控制台暂停 , 按任意键继续向后执行system("pause");return0;}; 执行结果 :...
std::string::reverse_iterator it1; // Displaying string cout<<"The string using forward iterators is : "; for(it=str.begin();it!=str.end();it++) cout<<*it; cout<<endl; // Displaying reverse string cout<<"The reverse string using reverse iterators is " ": "; for(it1=str.rbegi...
std::string name ="marius";// 升序排列字符串std::sort(name.begin(), name.end()); std::string name ="marius";// 反转字符串std::reverse(name.begin(), name.end());booliswhitespace(charch){ returnch ==' '|| ch =='t'|| ch =='v'|| ch =='r'|| ch =='n'; } std::st...
const_iterator;typedefstd::reverse_iterator<const_iterator> const_reverse_iterator;typedefstd::reverse_iterator<iterator> reverse_iterator;/// Value returned by various member functions when they fail.staticconstsize_type npos =static_cast<size_type>(-1); ...struct_Alloc_hider: allocator_type// ...
有algorithm的情况下.basic_string支持的功能太多,过于冗余, 缺少编码信息,对于宽字节等有其它的容器,比如wstring,u16string,u32string. 不少地方效率不够 比起字符串更应该叫字节串,它并不像其他语言一样只读的(string_view). … https://www.zhihu.com/search?type=content&q=std%3A%3Astring...
iterator begin(); // 返回指向第一个字符的迭代器const_iterator begin()const;iterator end(); // 返回指向最后一个字符的下一个位置的迭代器const_iterator end()const;reverse_iterator rbegin();const_reverse_iterator rbegin()const;reverse_iterator rend();const_reverse_iterator rend()const;例如...
C++std：：string——你可能不知道的⼀些⽤法toupper, tolower 地球⼈都知道 C++ 的 string 没有 toupper ，好在这不是个⼤问题，因为我们有 STL 算法：[cpp]view plaincopy 1. #include <iostream> 2. #include <algorithm> 3. using namespace std;4.5. int main()6. { 7. string str = ...
end(); ++it) { std::cout << *it << " "; } std::cout << std::endl; // 反向迭代器 for (std::string::reverse_iterator rit = str.rbegin(); rit != str.rend(); ++rit) { std::cout << *rit << " "; } std::cout << std:...
rbegin和rend用于从后向前的迭代访问,通过设置迭代器string::reverse_iterator,string::const_reverse_iterator实现 字符串流处理: 通过定义ostringstream和istringstream变量实现,<sstream>头文件中 例如: string input("hello,this is a test"); istringstream is(input); ...
reverse_iterator rend()#ifHAS_CPP0Xconst_iterator cbegin()const; const_iterator cend()const; const_reverse_iterator crbegin()const; const_reverse_iterator crend()const;voidshrink_to_fit();#endif/* HAS_CPP0X */reference at(size_type Off) ...