C++ map

Apr 3, 2023

C++ Iterator

• begin() – Returns an iterator to the first element in the map.
• end() – Returns an iterator to the theoretical element that follows the last element in the map.
• size() – Returns the number of elements in the map.
• max_size() – Returns the maximum number of elements that the map can hold.
• empty() – Returns whether the map is empty.
• pair insert(keyvalue, mapvalue) – Adds a new element to the map.
• erase(iterator position) – Removes the element at the position pointed by the iterator.
• erase(const g)– Removes the key-value ‘g’ from the map.
• clear() – Removes all the elements from the map.