check if set contains element c++
#include <iostream>
#include <set>
int main() {
std::set<int> mySet = {1, 2, 3, 4, 5};
int element = 3;
if (mySet.count(element)) {
std::cout << "Set contains the element" << std::endl;
} else {
std::cout << "Set does not contain the element" << std::endl;
}
return 0;
}