set::erase() functionis a predefined function, it is used to erase an element from a set. The function is used to erase an element based on its value or iterator position from the set. Syntax set<T> st; //declaration set<T>::iterator it; //iterator declaration st.erase( const T i...
The C++ unordered_set::erase function is used to delete either a single element or a range of elements from the unordered_set. It reduces the size of the ...
The time complexity of this function is Linear i.e. O(n)ExampleLet's look at the following example, where we are going to use the position version to erase the element.Open Compiler #include <iostream> #include <deque> int main() { std::deque<char> a = {'A', 'B', 'C', 'D...
// CPP program to illustrate// Application oferase() function#include<iostream>#include<set>usingnamespacestd;intmain(){// set declarationset<int> myset{1,2,3,4,5,6,7,8,9};// checking for even elements and removing themfor(autoi = myset.begin(); i != myset.end(); ) {if(*...
// CPP code to illustrate//erase() function#include<iostream>#include<string>usingnamespacestd;// Function to demoerase()voideraseDemo(stringstr){// Deletes all charactersstr.erase();cout<<"Aftererase():";cout<< str; }// Driver codeintmain(){stringstr("Hello World!");cout<<"Beforeer...
unordered_multiset erase()函数在C++ STL中的使用 在C++ STL中,std::unordered_multiset是一个哈希表,用于存储元素的集合,它的特点是元素无序,可以包含重复的元素。在使用std::unordered_multiset时,我们可能会用到其erase()函数,对集合中的元素进行删除操作。本文
unordered_multiset erase() function in C++ STL unordered_multiset::erase() 函数是 C++ STL 中的内置函数,用于删除单个元素或所有具有确定值的元素或从 start(包括) 到结束(独家)。这会通过移除元素的数量来减小容器的大小。 语法: unordered_multiset_name.erase(迭代器位置) ...
CPP unordered_set erase() function in C++ STL unordered_set::erase() 函数是 C++ STL 中的内置函数,用于删除从开始(包括)到结束(不包括)的单个元素或一组元素)。这会通过删除的元素数量来减小容器的大小。注意:unordered_set 中的桶编号从 0 到 n-1,其中 n 是桶的总数。语法:可以三种方式声明, Method...
//CPP program to illustrate //Implementation of erase() function #include <iostream> #include <set> using namespace std; int main() { //set declaration set<int> myset{ 1, 2, 3, 4, 5 }; set<int>::iterator it1, it2; //defining it1 pointing to the first ...
The erase() function removes an element or a range of elements from a vector. The elements to remove are specified using iterators.SyntaxOne of the following:vector.erase(iterator position);vector.erase(iterator start, iterator end);Parameter Values...