Cod sursa(job #3328290)

Utilizator Cezar2009Cezar Mihai Titihazan Cezar2009 Data 7 decembrie 2025 17:02:21
Problema Radix Sort Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.6 kb
//https://www.infoarena.ro/problema/radixsort

//#pragma GCC optimize("O3")   
//#pragma GCC optimize("Ofast") 
//#pragma GCC optimize("fast-math") 
//#pragma GCC optimize("unroll-loops") 
//#pragma GCC optimize("inline")  
//#define _USE_MATH_DEFINES
//#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <fstream>
//#include <vector>
#include <cstring>
//#include <cmath>
//#include <bitset>
//#include <queue>
//#include <stack>
//#include <utility>
//#include <algorithm>
//#include <string>
//#include <map>
//#include <unordered_map>
//#include <set>
//#include <unordered_set>
//#include <cstdint>
//#include <climits>
//#include <iomanip>
//#include <cstdio>
//#include <tuple>

using namespace std;

ifstream fin("radixsort.in");
ofstream fout("radixsort.out");

const int NRMAX = 10000000;
const int MAXB = 32;
constexpr int BASE = (1 << 8);
constexpr int MASK = BASE - 1;

int v[NRMAX], rez[NRMAX];
int fr[BASE], it[BASE];

void radixsort(int v[], int nevv[], int n, int b)
{
	if (b == MAXB)
		return;

	memset(fr, 0, sizeof fr);

	for (int i = 0; i < n; ++i)
		++fr[(v[i] >> b & MASK)];

	it[0] = 0;
	for (int i = 1; i < BASE; ++i)
		it[i] = it[i - 1] + fr[i - 1];

	for (int i = 0; i < n; ++i)
	{
		int nr = (v[i] >> b & MASK);
		rez[it[nr]] = v[i];
		++it[nr];
	}

	radixsort(rez, v, n, b + 8);
}

int main()
{
	int n, a, b, c;

	fin >> n >> a >> b >> c;
	v[0] = b;
	for (int i = 1; i < n; ++i)
		v[i] = (a * v[i - 1] + b) % c;

	radixsort(v, rez, n, 0);

	for (int i = 0; i < n; i += 10)
		fout << rez[i] << " ";

	return 0;
}