how to delete i the index element from vector in c++ code example
Example 1: remove element by index from vector c++
vec.erase(vec.begin() + 1);
vec.erase(vec.begin() + 1, vec.begin() + 3);
Example 2: remove element by index from vector c++
auto removeByIndex =
[]<class T>(std::vector<T> &vec, unsigned int index)
{
vec.erase(vec.begin() + index);
};
std::vector<std::string> stringvec = {"Hello", "World"};
removeByIndex(stringvec, 1);
std::vector<unsigned int> intvec;
intvec.push_back(33);
intvec.push_back(66);
intvec.push_back(99);
removeByIndex(intvec, 2);