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Two-dimension unordered_map in C++

Published on
#c++ #unordered-map
44
Views

Is there a chance to use a custom std::pmr::polymorphic_allocator to make std::unordered_map’s buckets implemented as arrays?

Published on
#c++ #stl #allocation #unordered-map
77
Views

Performance Considerations When Using Large Custom Objects as Keys in C++ unordered_map

Published on
#c++ #hashmap #unordered-map
342
Views

Why rehash has quadratic complexity, but operator [] has linear complexity in worst case?

Published on
#c++ #time-complexity #std #unordered-map
28
Views

Issues with Component Retrieval in C++ ECS Implementation

Published on
#c++ #oop #lifetime #unordered-map
63
Views

Loop on newly added elements of std::unorderd_map

Published on
#c++ #unordered-map
110
Views

Unordered map in C++ not functioning as intended

Published on
#c++ #matrix #vector #counting #unordered-map
155
Views

Sorting set of <int, string> pairs with custom comparator in C++

Published on
#stl #set #pass-by-reference #unordered-map
101
Views

unordered_map without providing a custom hash function

Published on
#c++ #unordered-map
152
Views

Is the order of an unordered map always the same for a given compiler?

Published on
#c++ #g++ #standards #clang++ #unordered-map
141
Views

std::unordered_map vs std::map have different performances depending on the compiler

Published on
#c++ #compiler-optimization #unordered-map #stdmap #google-benchmark
97
Views

C++ Initialize unordered_map by method called by Constructor initializer list throws exception

Published on
#c++ #unordered-map
33
Views

g++11 for unordered_map is not compatible with versions earlier than gcc-11

Published on
#gcc #g++ #unordered-map #abi
101
Views

Why can I use std::unordered_map with references but not with std::stack?

Published on
#c++ #reference #stl #stack #unordered-map
71
Views

How to insert a key/value pair in unordered_map in C++?

Published on
#c++ #constructor #unordered-map
80
Views

In std::unordered_map, how to iterate over hashes?

Published on
#c++ #c++11 #hash #std #unordered-map
98
Views

How to prevent unordered_map.find() being compared to a wrong end iterator?

Published on
#c++ #dictionary #stl #iterator #unordered-map
143
Views

Why does the emplace method in std::unordered_map take multiple parameters?

Published on
#c++ #templates #unordered-map #emplace
103
Views

Why is the KeyEqual of std::unordered_map not used by its operator==?

Published on
#c++ #stl #unordered-map #language-design
111
Views

C++20 how to deal with multi-leveled unordered_map

Published on
#c++ #nested #c++20 #unordered-map

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