CPP

c++ vector element search

#include <algorithm>
#include <vector>
vector<int> vec; 
//can have other data types instead of int but must same datatype as item 
std::find(vec.begin(), vec.end(), item) != vec.end()

c++ find element in vector

auto it = find(vec.begin(),vec,end(), item)!
if(it != vec.end()){
 	 int index = it - vec.begin();
}

find in vector

    it = find (vec.begin(), vec.end(), ser);
    if (it != vec.end())
    {
        cout << "Element " << ser <<" found at position : " ;
        cout << it - vec.begin() << " (counting from zero) 
" ;
    }
    else{
        cout << "Element not found.

";
    }