CPP

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());

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 occurrence of value from vector c++

auto it = std::find(v.begin(),v.end(),3);
// check that there actually is a 3 in our vector
if (it != v.end()) {
  v.erase(it);
}

how to remove first element from vector C++

#include <iostream>
#include <vector>
using namespace std;
 
int main() {
   vector<int> nums;
   nums.push_back(6);
   nums.push_back(2);
   nums.push_back(7);
   nums.push_back(1);   
      
   nums.erase(nums.begin());
 
   for (int num: nums)
      cout << num << endl;
}