Description : Returns the first element in the range [first, last) that satisfies specific criteria(searches for an element equal to value).
Example:
std::vector<int> v{ 1, 2, 3, 4, 4, 3, 7, 8, 9, 10 };
int searchme = 4;
if(std::find(std::begin(v), std::end(v), searchme) != std::end(v)){
std::cout <<"\n v contains 3";
}
else
std::cout<<"No match !!";