stl iterator

In this example, we are declaring a character list and pushing the characters from 'A' to 'Z' using a for loop and push_back() function and then accessing the elements using const_iterator.

在此示例中，我們聲明一個字符列表，并使用for循環(huán)和push_back()函數(shù) 將字符從'A' 推 送到'Z' ，然后使用const_iterator訪問元素 。

Code:

碼：

#include <iostream> #include <list> //for list using namespace std;int main() {// list of character elementslist<char> clist;// append characters from 'A' to 'Z'for (char i = 'A'; i <= 'Z'; ++i) {clist.push_back(i);}//declaring a const_iteratorlist<char>::const_iterator it;// printing all elementscout << "list (clist) elements: " << endl;for (it = clist.begin(); it != clist.end(); ++it) {cout << *it << ' ';}cout << endl;return 0; }

Output

輸出量

list (clist) elements: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

翻譯自: https://www.includehelp.com/stl/access-elements-of-a-characters-list-using-const_iterator-in-cpp-stl.aspx

stl iterator

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