2 июл. 2022 г. · Your code is written to find one iterator with a 1 key - which it does - and then iterate to the end of the container - which it does. I suspect ... How can I get all the unique keys in a multimap - c++ Getting the value of a multimap in C++ - Stack Overflow Другие результаты с сайта stackoverflow.com

6 апр. 2024 г. · Method 1 (Simple Traversal) Traverse through whole map and whenever the key is equal to given key we display the key-value pair.

18 мар. 2024 г. · To find all occurrences of a specific key in a multimap in C++ STL, we can use the std::multimap::equal_range() function.

Searches the container for an element with a key equivalent to k and returns an iterator to it if found, otherwise it returns an iterator to multimap::end.

1 нояб. 2024 г. · std::multimap is an associative container that contains a sorted list of key-value pairs, while permitting multiple entries with the same key.

9 сент. 2021 г. · To retrieve the values associated with a specific key in the MultiMap, you can use the equal_range method.

19 июл. 2012 г. · I have a multimap and I want get all the unique keys in it to be stored in a vector. multimap<char,int> mymm; multimap<char,int>::iterator it; ...

Multimaps are containers in STL that are very similar to maps, they store the elements as key-value pairs. Unlike maps, multimaps can have duplicate keys.

If you want to retrieve all the values for a single key, you can use values(const Key &key), which returns a QList<T>: QList<int> values = ...

4 нояб. 2023 г. · Finds an element with key equivalent to key. If there are several elements with the requested key in the container, any of them may be returned.