erase() 这样的基本操作。这是固定长度数组 std::array 所没有的功能。正因如此，你有时会看到有的...
C++ STL - vector::erase() C++ STL - vector::swap() C++ STL - vector::clear() C++ STL - vector::begin() C++ STL - vector::end() C++ STL - vector::rbegin() C++ STL - vector::rend() C++ STL - vector::cbegin() C++ STL - vector::cend() C++ STL - vector::crbegin() C++ ...
but in any case, reallocations should only happen at logarithmically growing intervals of size so that the insertion of individual elements at the end of the vector can be provided with amortized constant time complexity (see push_back). Therefore, compared to arrays, vectors consume...
strArray.push_back("c"); strArray.push_back("d"); for (vector<string>::iterator it = strArray.begin(); it != strArray.end();) { if(*it=="b") { it = strArray.erase(it); } else { std::cout << ' ' << *it; it++; } } 好文要顶 关注我 收藏该文 微信分享 erli...
:chrono::duration<double>(end-start).count();std::cout<<"[V2] removeEven2 Erase time = "<...
Complexity For(1)and(2), constant if thesizesoflhsandrhsdiffer, and up to linear in thatsize(equality comparisons) otherwise. For the others, up to linear in the smallersize(each representing two comparisons withoperator<). Iterator validity ...
C++ Vector Erase Position - Learn how to erase elements from a specific position in a C++ vector. This tutorial provides examples and explanations for effective vector manipulation.
Time complexityLinear i.e. O(n)ExampleThe following example shows the usage of std::vector::erase() function.Open Compiler #include <iostream> #include <vector> using namespace std; int main(void) { vector<int> v = {1, 2, 3, 4, 5}; cout << "Original vector" << endl; for (...
Instead of erasing the duplicates with erase, we use the resize function, which directly modifies the size of the vector. The argument to resize is the distance between the beginning of the vector and the iterator returned by std::unique:myVector.resize(std::distance(myVector.begin(), last)...
erase(std::vector)erase_if(std::vector) (C++20) erases all elements satisfying specific criteria (function template) Deduction guides (since C++17) Notes Feature-testmacroValueStdFeature __cpp_lib_containers_ranges202202L(C++23)Ranges construction and insertion for containers ...