>usingunordered_multimap= std::unordered_multimap<Key, T, Hash, Pred, std::pmr::polymorphic_allocator<std::pair<constKey, T>>>; } (2)(C++17 起) unordered_multimap 是一种无序关联容器,支持等价键(unordered_multimap 可含有每个键值的多个副本)并将键与另一类型的值关联。unordered_multimap 类支持...
/* 用unordered_map重写单词计数程序和单词转换程序 11.4.cpp 11.33.cpp *//* 11.3 编写你自己的单词计数程序 11.4 忽略大小写和标点。例如,“example.”、"example,"和"Example"应该递增相同的计数器 */#include"../include/include.h"#include<ctype.h>#include<fstream>#include<sstream>#include<unordered_...
unordered_multimap(InputIt first, InputIt last, size_type bucket_count=/* unspecified */, constHash&hash=Hash(), constkey_equal&equal=key_equal(), constAllocator&alloc=Allocator()); (6)(since C++11) template<classInputIt> unordered_multimap(InputIt first, InputIt last, ...
Given an instancecofunordered_multimap: 1,2)Average case: constant, worst case:c.size(). 3)Average case:std::distance(first, last), worst case:c.size(). 4)Average case:c.count(key), worst case:c.size(). 5)Average case:c.count(x), worst case:c.size(). ...
(201411L, __cpp_lib_unordered_map_try_emplace) COMPILER_FEATURE_ENTRY(202102L, __cpp_lib_variant) COMPILER_FEATURE_ENTRY(201411L, __cpp_lib_void_t) }; static constexpr CompilerFeature cxx20_core[] = { COMPILER_FEATURE_ENTRY(201902L, __cpp_aggregate_paren_init) COMPILER_FEATURE_ENTRY(...
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 generator(C++23) Algorithms library Numeric algorithms ...
std::multimap std::multiset std::list std::optional std::pair std::set std::shared_ptr std::string std::tuple std::unique_ptr std::unordered_map std::unordered_multimap std::unordered_multiset std::unordered_set std::variant std::vector std::wstringAdditional...
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
multimap<std::string, bool> c_mmap { {"one", true}, {"two", true}, {"three", false}, {"three", true} }; json j_mmap(c_mmap); // only one entry for key "three" is used // maybe {"one": true, "two": true, "three": true} std::unordered_multimap<std::string, bool...
Username for 'https://gitee.com': userName Password for 'https://userName@gitee.com': # 私人令牌 master 分支(2) 标签(100) 管理 管理 master issue1481 v0.13.1 v0.13.0 v0.12.6 v0.12.5 v0.12.4 v0.12.3 v0.12.2 v0.12.1 v0.12.0 v0.11.4 v0.11.3 v0.11.2 v0.11.1 v0.1...