CPP

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());

C++ REMOVE element from vector

//me
vec.erase(vec.begin() + index); 	//index 0 means first element and so on

how to remove an element from a vector by value c++

std::vector<int> v; 
// fill it up somehow
v.erase(std::remove(v.begin(), v.end(), 99), v.end()); 
// really remove all elements with value 99

how to erase a certain value from a vector in C++

#include <vector>
#include <algorithm>
#include <iostream>

int main()
{
	//C++20 std::erase function wraps erase-remove idiom

	std::vector<int> ivec{ 1, 5, 7, 2, 1, 3, 1, 7, 1 };
	auto n = erase(ivec, 1); //ADL
	std::cout << n << " elements erased
";
	for (auto i : ivec)
		std::cout << i << ' ';
}

remove from vector by value c++

#include <algorithm>
...
vec.erase(std::remove(vec.begin(), vec.end(), 8), vec.end());

c++ remove element from vector

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

remove element from vector c++

// erase element from vector by its index
    vector<string> strs {"first", "second", "third", "last"};
      
    string element = "third"; // the element which will be erased
    for(int i=0;i<strs.size();i++)
    {
      if(strs[i] == element)
      strs.erase(strs.begin()+i);
    }
    

remove elements from vector

#include<iostream>
#include<vector>
using namespace std;
int main(){
  //Creation of integer vector
  vector<int> vectorArray ;
  for(int i=1;i<10;i++){
  	vectorArray.push_back(i);
  }
  //vector elements are 1,2,3,4,5,6,7,8,9
  
  vectorArray.pop_back();
  for(int i=0;i<vectorArray.size();i++){
  	cout<<vectorArray[i]<<" ";
  }
  //vector elements are 1,2,3,4,5,6,7,8
  cout<<endl;
  
  vectorArray.clear();
  // No elements are left in vector array
  
  return 0;
}

c++ vector remove element by value

carVec.erase(std::remove_if(carVec.begin(), carVec.end(), [&id_to_delete](const Car& ele)->bool
            {
                return ele.getnewId() == id_to_delete;
            }), carVec.end());