Cod sursa(job #1996114)

Utilizator AdrianaMAdriana Moisil AdrianaM Data 30 iunie 2017 11:02:17
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.94 kb
#include <fstream>
#include <iostream>
#include <vector>
#include <queue>
using namespace std;

typedef vector<unsigned int> VI;
typedef queue<unsigned int> QI;

int n;
unsigned int A, B, C;
VI v;

void read()
{
	ifstream is("radixsort.in");
	is >> n >> A >> B >> C;
	is.close();
}

void generate()
{
	v = VI(n + 1);
	v[1] = B;
	for (int i = 2; i <= n; ++i)
		v[i] = (A * v[i - 1] % C + B) % C;
}

void sort(unsigned int key)
{
	QI b[255];
	for (int i = 1; i <= n; ++i)
		b[(v[i] >> key) & 255].push(v[i]);
	int cnt = 1;
	for (int i = 0; i <= 255; ++i)
		while (!b[i].empty())
		{
			v[cnt++] = b[i].front();
			b[i].pop();
		}
}

void solve()
{
	for (unsigned int i = 0; 1 << i <= C; i += 8)
		sort(i);
}

void write()
{
	ofstream os("radixsort.out");
	for (int i = 1; i <= n; i += 10)
		os << v[i] << " ";
	os.close();
}

int main()
{
	read();
	generate();
	solve();
	write();
	cin.get();
	return 0;
}