#include <algorithm>
#include <cstdint>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
 
using namespace std;
 
struct Student {
	uint32_t id;
	string name;
};
 
bool operator==(const Student& a, const Student& b) {
	return tie(a.id, a.name) == tie(b.id, b.name);
}
 
main() {
	const auto jane = Student{3, "Jane"};
	const auto zippy = Student{1, "Zippy"};
	const auto classA = vector<Student>{jane, zippy};
	auto allStudents = vector<Student>{{5, "Rod"}, jane, {4, "Freddy"}, zippy, {2, "Bungle"}};
	partition(begin(allStudents), end(allStudents), [&](const auto& s){ return find(begin(classA), end(classA), s) == end(classA); });
	for (const auto& s : allStudents) cout << s.id << ", " << s.name << "; ";
	cout << endl; 
}

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