heart_of_crown.cpp

#include<cmath>
#include<algorithm>
#include<vector>
#include<iostream>
#include<random>

constexpr auto CARDSMAX  = 30u;
struct IncGenerator {
    int current_;
    IncGenerator (int start) : current_(start) {}
    int operator() () { return current_++; }
};

using namespace std;

int main(){
    std::vector<int> v(CARDSMAX) ; 
    IncGenerator g (0);
    std::generate( v.begin(), v.end(), g); 
    std::random_device rdev{}; 
    std::mt19937 mt(rdev());
    std::shuffle(std::begin(v), std::end(v),mt);
    std::vector<int> out;
    for(int i = 0;i<10;i++){
        out.push_back(v[i]);
    }
    std::sort(std::begin(out),std::end(out));
    for(auto& e : out){
        std::cout << e+1 << std::endl;
    }
}