how to delete nth element in vector c++ code example

Example 1: 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());

Example 2: vector erase specific element

vector.erase( vector.begin() + 3 ); // Deleting the fourth element