find_first_of c++
#include <algorithm>
#include <iostream>
#include <vector>
int main()
{
std::vector<int> v{0, 2, 3, 25, 5};
std::vector<int> t{3, 19, 10, 2};
auto result = std::find_first_of(v.begin(), v.end(), t.begin(), t.end());
if (result == v.end()) {
std::cout << "no elements of v were equal to 3, 19, 10 or 2\n";
} else {
std::cout << "found a match at "
<< std::distance(v.begin(), result) << "\n";
}
}
// find_if example
#include <iostream> // std::cout
#include <algorithm> // std::find_if
#include <vector> // std::vector
bool IsOdd (int i) {
return ((i%2)==1);
}
int main () {
std::vector<int> myvector;
myvector.push_back(10);
myvector.push_back(25);
myvector.push_back(40);
myvector.push_back(55);
std::vector<int>::iterator it = std::find_if (myvector.begin(), myvector.end(), IsOdd);
std::cout << "The first odd value is " << *it << '\n';
return 0;
}