unordered_multimap<K, T, H, P, A>::size_type erase_if( unordered_multimap<K, T, H, P, A>& c, Predicate pred); namespace pmr { template<class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>> using unordered_map = std::unordered_map<Key, T, Hash, Pred...
#include <iostream>#include <string>#include <unordered_map>intmain(){std::unordered_map<int,std::string>dict={{1,"one"},{2,"two"}};dict.insert({3,"three"});dict.insert(std::make_pair(4,"four"));dict.insert({{4,"another four"},{5,"five"}});constboolok=dict.insert({1,...
unordered_map::operator= unordered_map::get_allocator Iterators unordered_map::beginunordered_map::cbegin unordered_map::endunordered_map::cend Capacity unordered_map::size unordered_map::max_size unordered_map::empty Modifiers unordered_map::clear ...
#include <iostream>#include <string>#include <unordered_map>intmain(){std::unordered_map<int,std::string>dict={{1,"one"},{2,"two"}};dict.insert({3,"three"});dict.insert(std::make_pair(4,"four"));dict.insert({{4,"another four"},{5,"five"}});constboolok=dict.insert({1,...
map−multimap−set−multiset unordered_map(C++11) unordered_multimap(C++11) 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 ...
>unordered_map 可以学习哈希表相关知识 >array 可以当作部分 pair 和 tuple 的替用品,或者替代原生数组 # 一些其他容器 >bitset >basic_string 另外,可以参阅C 的字符串函数 # IO >cpp 风格 IO 可以了解 stringstream 类,以及 输入/输出操纵符 >C 风格 IO ...
unordered_multiset(C++11) unordered_map(C++11) unordered_multimap(C++11) stack−queue−priority_queue Libreria di algoritmi Libreria di iteratori Libreria matematica Funzioni matematiche comuni Numeri complessi Generazione numeri pseudo-casuali
unordered_map(C++11) unordered_multimap(C++11) stack−queue−priority_queue Algorithmen-Bibliothek Iterator-Bibliothek Numerik-Bibliothek Grundlegende mathematische Funktionen Komplexe Zahlen Pseudozufallszahlen Eingabe/ Ausgabe-Bibliothek basic_streambuf ...
unordered_multiset(C++11) unordered_map(C++11) unordered_multimap(C++11) stack−queue−priority_queue Algorytmy Iteratory Biblioteka operacji numerycznych Funkcje matematyczne Liczby zespolone Generatory pseudolosowe Operacje wejścia/wyjścia ...
map−unordered_map(C++11) priority_queue−span(C++20) Autres conteneurs: sequence−associative unordered associative−adaptors Itérateurs Plages d'éléments(C++20) Algorithmes Bibliothèque numérique Fonctions mathématiques communes Fonctions mathématiques classiques(C++17) ...