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stl vector 函数
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”头文件的库函数,用于使用const_reverse_iterator获取向量的最后一个元素,它返回一个const反向迭代器,指向向量的最后一个元素(即,反向开始) 。
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,可以像迭代器一样增加或减少const_reverse_iterator ,但不能用于更新/修改其指向的向量内容。
Note: To use vector, include <vector> header.
注意:要使用向量,请包含<vector>标头。
Syntax of vector::crbegin() function
vector :: crbegin()函数的语法
vector::crbegin();
Parameter(s): none – It accepts nothing.
参数: 无 –不接受任何内容。
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个元素的const反向迭代器。
Example:
例:
Input: vector vector1{ 1, 2, 3, 4, 5 }; Function call: vector ::const_iterator crit; crit = vector1.crbegin(); cout< C++ program to demonstrate example of vector::crbegin() function Output last element is: 50 Reference: TOP Interview Coding Problems/Challenges Comments and Discussions Ad:Are you a blogger? Join our . Please enable JavaScript to view the
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stl vector 函数
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