x;multiset<int>s;queue<int>smallest;for(inti=1;i<=n;i++){// O(n)cin>>op;if(op==1){cin>>x;s.insert(x);// O(n log n)smallest.push(x);}elseif(op==2){if(!smallest.empty()){cout<<smallest.front()<<"\n";autopos=s.find(smallest.front());// O(log n)s.erase(pos...
size_type erase(constKey&key); (4) template<classK> size_type erase(K&&x); (5)(since C++23) Removes specified elements from the container. The order of the remaining equivalent elements is preserved. 1,2)Removes the element atpos.Only one overload is provided ifiteratorandconst_iterator...
unordered_multiset::erase unordered_multiset::swap unordered_multiset::extract (C++17) unordered_multiset::merge (C++17) Lookup unordered_multiset::count unordered_multiset::find unordered_multiset::contains (C++20) unordered_multiset::equal_range Bucket interface unordered_multiset::begin(size_type)unor...
first: Beginning of the range to erase. last: End of the range to erase. Return value The erase() function returns an iterator that point to the next element of the deleted element or returns the number of deleted elements. Complexity ...
Complexity Average case: linear insize. Worst case: quadratic insize. Iterator validity No changes. See also unordered_set::equal_range Get range of elements with a specific key(public member function) unordered_set::operator= Assign content(public member function)...
Complexity Constant. Iterator validity All iterators, pointers and references remain valid, but now are referring to elements in the other container, and iterate in it. non-member overloads: operators (unordered_multiset) swap (unordered_multiset)...
// insert/erase /** * @brief Inserts an element into the %multiset. * @param x Element to be inserted. * @return An iterator that points to the inserted element. * * This function inserts an element into the %multiset. Contrary * to a std::set the %multiset does not rely on uniq...
erase_if(std::flat_multiset) (C++23) Helper classes uses_allocator<std::flat_multiset> (C++23) Tags sorted_uniquesorted_unique_t (C++23)(C++23) sorted_equivalentsorted_equivalent_t (C++23)(C++23) Deduction guides size_type max_size() const noexcept; (since C++23) Returns the maximum ...