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Tag Archives: cpp-unordered_map-functions

The std::unordered_map::swap() is a built in function in C++ STL which swaps the elements of a container to an other container. After the call of… Read More
The std::unordered_map::rehash() is a built in function C++ STL which sets the number of buckets in container to n or more. Syntax  void rehash( size_type… Read More
The unordered_map::load_factor() is a built-in function in C++ STL which returns the current load factor in the unordered_map container. The load factor is the ratio… Read More
The std::unordered_map::operator[] is a built in function in C++ STL which returns the reference of value if key matches in the container. If no key… Read More
The ‘=’ is an operator in C++ STL which copies (or moves) an unordered_map to another unordered_map and unordered_map::operator= is the corresponding operator function. There… Read More
The unordered_map::max_size is a built in function in C++ STL. It returns maximum number of elements which unordered_map can hold. Maximum number of elements in… Read More
The unordered_map::max_load_factor in C++ STL is a built in function which is used to get and set maximum load factor in unordered_map. Load factor is… Read More
The unordered_map::max_bucket_count is a built in function in C++ STL. It returns the maximum number of buckets unordered_map container can have. Syntax unordered_map.max_bucket_count() Parameters :… Read More
The unordered_map::equal_range() is an inbuilt function in C++ STL which is used to return the bounds of a range that includes all the elements in… Read More
The unordered_map::count() is a builtin method in C++ which is used to count the number of elements present in an unordered_map with a given key.… Read More
The unordered_map::end() is a built-in function in C++ STL which returns an iterator pointing to the position past the last element in the container in… Read More
The unordered_map::begin() is a built-in function in C++ STL which returns an iterator pointing to the first element in the unordered_map container or in any… Read More
The unordered_map::bucket() is a built-in STL function in C++ which returns the bucket number where the element with the key k is located in the… Read More
Prerequisite : Unordered maps in STLUnordered_map : unordered_map is an associated container that stores elements formed by the combination of key value and a mapped… Read More
A C++ map and unordered_map are initialized to some keys and their respective mapped values. Examples:   Input : Map : 1 -> 4, 2 -> 6,… Read More

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