C++ vector pop first element

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

Remove value from vector c++

#include <algorithm>
#include <vector>

// using the erase-remove idiom

std::vector<int> vec {2, 4, 6, 8};
int value = 8 // value to be removed
vec.erase(std::remove(vec.begin(), vec.end(), value), vec.end());

C++ vector pop first element

std::vector<int> vect;

vect.erase(vect.begin());

Remove first element from vector c++

// Deletes the first element from vector v
v.erase(v.begin());

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