"remove first element from vector c++" Code Answer's
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remove element by index from vector c++
// Deletes the second element (vec[1])
vec.erase(vec.begin() + 1);
// Deletes the second through third elements (vec[1], vec[2])
vec.erase(vec.begin() + 1, vec.begin() + 3);
Source: stackoverflow.com
c++ vector pop first element
std::vector<int> vect;
vect.erase(vect.begin());
vector erase specific element
vector.erase( vector.begin() + 3 ); // Deleting the fourth element
Source: stackoverflow.com
delete from front in vector c++
// Deleting first element
vector_name.erase(vector_name.begin());
// Deleting xth element from start
vector_name.erase(vector_name.begin()+(x-1));
// Deleting from the last
vector_name.pop_back();
remove first element from vector c++
// Deletes the first element from vector v
v.erase(v.begin());
remove element by index from vector c++
// Why not setup a lambda you can use again & again
auto removeByIndex =
[]<class T>(std::vector<T> &vec, unsigned int index)
{
// This is the meat & potatoes
vec.erase(vec.begin() + index);
};
// Then you can throw whatever vector at it you desire
std::vector<std::string> stringvec = {"Hello", "World"};
// Will remove index 1: "World"
removeByIndex(stringvec, 1);
// Vector of integers, we will use push_back
std::vector<unsigned int> intvec;
intvec.push_back(33);
intvec.push_back(66);
intvec.push_back(99);
// Will remove index 2: 99
removeByIndex(intvec, 2);
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