ReferenceC library: <cassert> (assert.h) <cctype> (ctype.h) <cerrno> (errno.h) <cfenv> (fenv.h) <cfloat> (float.h) <cinttypes> (inttypes.h) <ciso646> (iso646.h) <climits> (limits.h) <clocale> (locale.h) <cmath> (math.h) <csetjmp> (setjmp.h) <csignal> (signal.h...
template <class T, class Alloc> bool operator> (const vector<T,Alloc>& lhs, const vector<T,Alloc>& rhs); (6) template <class T, class Alloc> bool operator>= (const vector<T,Alloc>& lhs, const vector<T,Alloc>& rhs); Relational operators for vector ...
const_referenceconstvalue_type& pointer Allocator::pointer (until C++11) std::allocator_traits<Allocator>::pointer (since C++11) const_pointer Allocator::const_pointer (until C++11) std::allocator_traits<Allocator>::const_pointer (since C++11) ...
#include <cassert> #include <initializer_list> #include <iostream> #include <vector> void println(auto rem, const std::vector<bool>& vb) { std::cout << rem << " = ["; for (std::size_t t{}; t != vb.size(); ++t) std::cout << (t ? ", " : "") << vb[t]; std...
(intc = DEFAULT_CAPACITY,ints =0, T v =0)//容量为c、规模为s、所有元素初始为v{ _elem =newT[_capacity = c];for( _size =0; _size < s; _elem[_size++] = v ); }//s<=cVector ( Tconst* A, Rank n ) { copyFrom ( A,0, n ); }//数组整体复制Vector ( Tconst* A, ...
reference front():返回首元素的引用 reference back():返回尾元素的引用 iterator begin():返回向量头指针,指向第一个元素 iterator end():返回向量尾指针,指向向量最后一个元素的下一个位置 reverse_iterator rbegin():反向迭代器,指向最后一个元素 reverse_iterator rend():反向迭代器,指向第一个元素之前的位置...
std::vector<int> c{, 1, 2, 3, 4, 5, 6, 7, 8, 9};c.erase(c.begin());//c = {1, 2, 3, 4, 5, 6, 7, 8, 9}c.erase(c.begin() + 2, c.begin() + 5);//c = {1, 2, 6, 7, 8, 9}// 移除所有偶数for (std::vector<int>::iterator it = c.begin(); it ...
本节我们将学习vector容器的使用和操作,让我们学习起来吧! 库函数网址查询:https://legacy.cplusplus.com/reference/vector/vector/?kw=vector 🌠 熟悉vector 在这里插入图片描述 C++ 标准库中的std::vector是一个动态数组容器,能够存储并管理元素的集合。它提供了动态调整大小的能力,并且在底层维护一个连续的存储区...
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我阅读了std::vector的扣除指南从使用cppreference. 示例: #include <vector> int main() { std::vector<int> v = {1, 2, 3, 4}; std::vector x{v.begin(), v.end()}; // uses explicit deduction guide } 所以,我对此有一些疑问: