Cod sursa(job #2855671)

Utilizator cristia_razvanCristia Razvan cristia_razvan Data 22 februarie 2022 19:05:47
Problema Radix Sort Scor 70
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.86 kb
#pragma GCC optimize("03")
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define dbg(i) (cout<<#i<<" = "<<(i)<<'\n')

using ll = long long;
using ui = unsigned int;
const string fn = "radixsort";

ifstream fin(fn + ".in");
// ofstream fout(fn + ".out");

ui n;
ui a[10000001];

class OutParser {
private:
	FILE *fout;
	char *buff;
	int sp;

	void write_ch(char ch) {
		if (sp == 50000) {
			fwrite(buff, 1, 50000, fout);
			sp = 0;
			buff[sp++] = ch;
		} else {
			buff[sp++] = ch;
		}
	}


public:
	OutParser(const char* name) {
		fout = fopen(name, "w");
		buff = new char[50000]();
		sp = 0;
	}
	~OutParser() {
		fwrite(buff, 1, sp, fout);
		fclose(fout);
	}

	OutParser& operator << (int vu32) {
		if (vu32 <= 9) {
			write_ch(vu32 + '0');
		} else {
			(*this) << (vu32 / 10);
			write_ch(vu32 % 10 + '0');
		}
		return *this;
	}

	OutParser& operator << (long long vu64) {
		if (vu64 <= 9) {
			write_ch(vu64 + '0');
		} else {
			(*this) << (vu64 / 10);
			write_ch(vu64 % 10 + '0');
		}
		return *this;
	}

	OutParser& operator << (char ch) {
		write_ch(ch);
		return *this;
	}
	OutParser& operator << (const char *ch) {
		while (*ch) {
			write_ch(*ch);
			++ch;
		}
		return *this;
	}
};

OutParser fout("radixsort.out");

void radix(ui mask) {
	vector<ui> v[256];
	for (ui i = 1; i <= n; ++i)
		v[(a[i] >> mask) & 255].pb(a[i]);
	n = 0;
	for (ui i = 0; i < 256; ++i)
		for (vector<ui>::iterator it = v[i].begin(); it != v[i].end(); it++)
			a[++n] = *it;
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie();

	ui A, B, C;
	fin >> n >> A >> B >> C;
	a[1] = B;
	ui i, j, k;
	for (i = 2; i <= n; ++i)
		a[i] = (1LL * A * a[i - 1] + B) % C;
	for (ui i = 0; i < 32; i += 8)
		radix(i);

	for (i = 1; i <= n; i += 10)
		fout << (int)a[i] << " ";


	return 0;
}