stl vector 函數
C ++ vector :: crbegin()函數 (C++ vector::crbegin() function)
vector::crbegin() is a library function of "vector" header, it is used to get the last element of a vector using const_reverse_iterator, it returns a const reverse iterator pointing to the last elements (i.e. the reverse beginning) of a vector.
vector :: crbegin()是“ vector”頭文件的庫函數,用于使用const_reverse_iterator獲取向量的最后一個元素,它返回一個const反向迭代器,指向向量的最后一個元素(即,反向開始) 。
It returns a const_reverse_iterator which is an iterator point to the constant content(vector), the const_reverse_iterator can be increased or decreased just like an iterator but it cannot be used to update/modify the vector content it points to.
它返回const_reverse_iterator ,它是指向常量content(vector)的迭代器,可以像迭代器一樣增加或減少const_reverse_iterator ,但不能用于更新/修改其指向的向量內容。
Note: To use vector, include <vector> header.
注意:要使用向量,請包含<vector>標頭。
Syntax of vector::crbegin() function
vector :: crbegin()函數的語法
vector::crbegin();
Parameter(s): none – It accepts nothing.
參數: 無 –不接受任何內容。
Return value: const_reverse_iterator – It returns a const reverse iterator pointing to the last element of the vector.
返回值: const_reverse_iterator –它返回指向向量的最后一個元素的const反向迭代器。
Example:
例:
Input:
vector<int> vector1{ 1, 2, 3, 4, 5 };
Function call:
vector<int>::const_iterator crit;
crit = vector1.crbegin();
cout<
C++ program to demonstrate example of vector::crbegin() function
Output
last element is: 50
Reference: C++ vector::crbegin()
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翻譯自: https://www.includehelp.com/stl/vector-crbegin-function-with-example.aspx
stl vector 函數