可以搜索一下 vector 的底层实现方法 >set(及 multiset) 可以重点关注.lower_bound(...)等成员函数,及迭代器的用法 >map 可以关注 元素的插入删除机制 以及operator[] >deque 可以常数时间下标访问,但是内存不连续 >priority_queue 可以了解如何修改或自定义比较函数,例如priority_queue<T, vector<T>, greater<T...
lower_bound (2) template<class ForwardIt, class T = typename std::iterator_traits<ForwardIt>::value_type, class Compare> ForwardIt lower_bound(ForwardIt first, ForwardIt last, const T& value, Compare comp) { ForwardIt it; typename std::iterator_traits<ForwardIt>::difference_type count,...
lower_bound returns an iterator to the first elementnot lessthan the given key (public member function ofstd::set<Key,Compare,Allocator>) lower_bound returns an iterator to the first elementnot lessthan the given key (public member function ofstd::multiset<Key,Compare,Allocator>) ...
std::set<Key,Compare,Allocator>::lower_bound From cppreference.com <cpp |container |set 1,2)Returns an iterator pointing to the first element that isnot lessthan (i.e. greater or equal to)key. 3,4)Returns an iterator pointing to the first element that comparesnot less(i.e. ...
lower_bound 返回指向第一个不小于 给定值的元素的迭代器 (函数模板) upper_bound 返回指向第一个大于 给定值的元素的迭代器 (函数模板) binary_search 确定元素是否存在于某部分有序的范围中 (函数模板) equal_range 返回匹配特定键值的元素范围 (函数模板) merge 合并两个有序...
unordered_set(C++11) unordered_multiset(C++11) Container adaptors span(C++20)−mdspan(C++23) Iterators library Ranges library(C++20) Range factories−Range adaptors generator(C++23) Algorithms library Numeric algorithms Execution policies(C++17) ...
标准库<algorithm>里的merge、set_union函数 使用一个东西,不明白它的道理,不高明——侯捷老师 1. merge()函数 功能:合并两段序列 1.1 函数声明 ... 0书瓖果fifty 0 0 标准库<algorithm>里的lower_bound()和upper_bound()函数 使用一个东西,不明白它的道理,不高明——侯捷老师 1. lower_bound()函数...
lower_bound returns an iterator to the first elementnot lessthan the given key (public member function) upper_bound returns an iterator to the first elementgreaterthan the given key (public member function) Observers key_comp returns the function that compares keys ...
lower_bound liefert einen Iterator auf das erste Element nicht weniger als der angegebene Wert Original: returns an iterator to the first element not less than the given value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click ...
set_union computes the union of two sets (funzione di modello) [modifica] Heap operazioni Original: Heap operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. Definizione nell'header <algorithm>...