Cod sursa(job #1509120)

Utilizator sorin2kSorin Nutu sorin2k Data 23 octombrie 2015 15:27:58
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.85 kb
#include <fstream>
#include <iostream>
using namespace std;

unsigned int v[10000001], cnt[256], aux[10000001], n;

void RadixSort(int byte_num) {
	int i;
	for (i = 0; i < 256; i++) {
		cnt[i] = 0;
	}
	for (i = 0; i < n; i++) {
		int nr = (v[i] >> (8 * byte_num)) & 255;
		cnt[nr]++;
	}
	for (i = 1; i < 256; i++) {
		cnt[i] += cnt[i-1];
	}
	for (i = n-1; i >= 0; i--) {
		int nr = (v[i] >> (8 * byte_num)) & 255;
		aux[cnt[nr]-1] = v[i];
		cnt[nr]--;
	}
	for (i = 0; i < n; i++) {
		v[i] = aux[i];
	}
}

int main() {
	long long a, b, c;
	int i;
	ifstream fin("radixsort.in");
	ofstream fout("radixsort.out");
	fin >> n >> a >> b >> c;
	v[0] = b;
	for (i = 1; i < n; i++) {
		v[i] = (a * v[i-1] + b) % c;
	}
	for (i = 0; i < 4; i++) {
		RadixSort(i);
	}
	for (i = 0; i < n; i += 10) {
		fout << v[i] << " ";
	}
	return 0;
}