What will happen when you attempt to compile and run the following code? Choose all that apply.
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
class A {
int a;
public:
A(int a) : a(a) {}
int getA() const { return a; } void setA(int a) { this?>a = a; }
bool operator < (const A & b) const { return a<b.a;}
};
class F {
A val;
public:
F(A & v):val(v){}
bool operator() (A & v) {
if (v.getA() == val.getA()) return true;
return false;
}
};
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector<A> v1(t, t + 10);
set<A> s1(t, t + 10);
A a(6); F f(a);
find_if(s1.begin(), s1.end(), f);
if (find_if(v1.begin(), v1.end(), f) !=v1.end()) {
cout<<"Found!\n";
} else {
cout<<"Not found!\n";
}
return 0;
}