CPP

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();

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;
}