#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main() {
vector<int> v {11, 22, 10, 20, 44, 4};
sort(v.begin(), v.end(), [](auto a, auto b) { return a > b; });
cout << v.size() << endl;
for(auto i : v) cout << hex << i << ' ';
return 0;
}
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