vector erase specific element
vector.erase( vector.begin() + 3 ); // Deleting the fourth elementvector erase specific element
vector.erase( vector.begin() + 3 ); // Deleting the fourth elementdelete 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();c++ remove element from vector
vector.erase(position) // remove certain position
// or
vector.erase(left,right) // remove positions within rangeremove specific element from vector c++
remove(v.begin(),v.end(),val)remove element by value vector c++
#include<bits/stdc++.h>
using namespace std;
int main(){
vector<int> v;
//Insert values 1 to 10
v.push_back(20);
v.push_back(10);
v.push_back(30);
v.push_back(20);
v.push_back(40);
v.push_back(20);
v.push_back(10);
vector<int>::iterator new_end;
new_end = remove(v.begin(), v.end(), 20);
for(int i=0;i<v.size(); i++){
cout << v[i] << " ";
}
//Prints [10 30 40 10]
return 0;
}
C++Copyvector erase specific element
template <typename T>
void remove(std::vector<T>& vec, size_t pos)
{
std::vector<T>::iterator it = vec.begin();
std::advance(it, pos);
vec.erase(it);
}Copyright © 2021 Codeinu
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