remove specific element from vector c 2b 2b

1vector.erase( vector.begin() + 3 ); // Deleting the fourth element

1// Deleting first element
2vector_name.erase(vector_name.begin());
3
4// Deleting xth element from start
5vector_name.erase(vector_name.begin()+(x-1));
6
7// Deleting from the last
8vector_name.pop_back();

1vector.erase(position) // remove certain position
2// or
3vector.erase(left,right) // remove positions within range
4

1remove(v.begin(),v.end(),val)

1#include<bits/stdc++.h>
2using namespace std;
3int main(){
4    vector<int> v;
5    //Insert values 1 to 10
6    v.push_back(20);
7    v.push_back(10);
8    v.push_back(30);
9    v.push_back(20);
10    v.push_back(40);
11    v.push_back(20);
12    v.push_back(10);
13
14    vector<int>::iterator new_end;
15    new_end = remove(v.begin(), v.end(), 20);
16
17    for(int i=0;i<v.size(); i++){
18        cout << v[i] << " ";
19    }
20    //Prints [10 30 40 10]
21    return 0;
22}
23C++Copy

1template <typename T>
2void remove(std::vector<T>& vec, size_t pos)
3{
4    std::vector<T>::iterator it = vec.begin();
5    std::advance(it, pos);
6    vec.erase(it);
7}