#include <iostream>
#include <vector>
#include <algorithm>
#include <random>
 
typedef std::vector<std::size_t> Vec;
 
Vec MakeData(std::size_t N){
	Vec V(N);
	std::size_t i = 0;
 
	for (auto& o : V) o = i++;
 
	return V;
 
}
 
bool BlockMove(Vec& vec, std::size_t P, std::size_t Len){
	P = std::min(P, vec.size());
	Len = std::min(Len, vec.size()-P);
 
	Vec T;
 
	for (size_t i = P; i < P+Len; i++) T.push_back(vec[i]);
	for (size_t i = 0; i < P; i++) T.push_back(vec[i]);	
	for (size_t i = P+Len; i < vec.size(); i++) T.push_back(vec[i]);
 
	vec = T;
 
	return true;
 
}
 
bool HandShuffle(Vec& vec){
	std::random_device rd;
	std::mt19937 mt(rd());
	//std::mt19937 mt(0);
	std::uniform_int_distribution<int> uid(2, 8);
 
	int P = 0;
	int Len = vec.size();
 
	while (Len > 0){
		P += uid(mt);
		Len -= uid(mt);
 
		Len = std::max(Len, 0);
		P = std::min<int>(P, vec.size() - Len);
 
		BlockMove(vec, P, Len);
	}
 
	return true;
}
 
bool MakeHoge(Vec& vec,std::size_t N){
 
	for (size_t i = 0; i < N; i++)
	{
		HandShuffle(vec);
	}
 
	return true;
}
 
bool Show(Vec vec){
	std::cout << "Result:";
	for (auto& o : vec) std::cout << o << ',';
	std::cout << std::endl;
 
	return true;
}
 
int main(){
	Vec vec = MakeData(53);
	MakeHoge(vec, 5);
	Show(vec);
	std::cout << std::endl;
	std::sort(vec.begin(), vec.end());//デバッグ用
	Show(vec);
 
	return 0;
}

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