How do I search for an element in a C++ std::vector?

How do I search for an element in a C++ std::vector?

You can use the std::find algorithm from the <algorithm> header to search for an element in a std::vector.

Can you show me a code example?

Sure! Here's a simple example:

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

int main() {
    std::vector<int> vec = {1, 2, 3, 4, 5};
    int element = 3;
    auto it = std::find(vec.begin(), vec.end(), element);
    if (it != vec.end()) {
        std::cout << "Element found: " << *it << std::endl;
    } else {
        std::cout << "Element not found." << std::endl;
    }
    return 0;
}

What if I want to search for multiple elements?

You can loop through the elements you want to search for and use std::find for each one, or use a different approach like std::set for faster lookups.