Time complexity Constant i.e. O(1) Example The following example shows the usage of std::unordered_map::erase() function. Open Compiler #include <iostream> #include <unordered_map> using namespace std; int main(void) { unordered_map<char, int> um = { {'a', 1}, {'b', 2}, {'...
Learn how to erase elements from a specific position in a C++ vector. This guide provides examples and explanations for effective vector manipulation.
C++ Library - <unordered_map> C++ Library - <unordered_set> C++ Library - <vector> C++ Library - <algorithm> C++ Library - <iterator> The C++ Advanced Library C++ Library - <any> C++ Library - <barrier> C++ Library - <bit> C++ Library - <chrono> C++ Library - <cinttypes> C++ Libr...
Time complexity Linear i.e. O(n) Example The following example shows the usage of std::unordered_multimap::erase() function. Open Compiler #include <iostream> #include <unordered_map> using namespace std; int main(void) { unordered_multimap<char, int> umm = { {'a', 1}, {'b', 2...
Time complexityLinear in the distance between first to last.ExampleThe following example shows the usage of std::map::erase() function.Open Compiler #include <iostream> #include <map> using namespace std; int main(void) { /* Initializer_list constructor */ map<char, int> m = { {'a',...
#include <iostream> #include <map> using namespace std; int main(void) { /* Multimap with duplicates */ multimap<char, int> m { {'a', 1}, {'a', 2}, {'b', 3}, {'c', 4}, {'c', 5}, }; cout << "Multimap contains following elements before erase operation" << endl; ...
C++ Library - <unordered_map> C++ Library - <unordered_set> C++ Library - <vector> C++ Library - <algorithm> C++ Library - <iterator> The C++ Advanced Library C++ Library - <any> C++ Library - <barrier> C++ Library - <bit> C++ Library - <chrono> C++ Library - <cinttypes> C++ Libr...
Time complexity Logarithmic i.e. O(log n) Example The following example shows the usage of std::multimap::erase() function. Open Compiler #include <iostream> #include <map> using namespace std; int main(void) { /* Multimap with duplicates */ multimap<char, int> m { {'a', 1}, {...
C++ Library - <unordered_map> C++ Library - <unordered_set> C++ Library - <vector> C++ Library - <algorithm> C++ Library - <iterator> The C++ Advanced Library C++ Library - <any> C++ Library - <barrier> C++ Library - <bit> C++ Library - <chrono> C++ Library - <cinttypes> C++ Libr...