Cod sursa(job #1540312)

Utilizator juniorOvidiu Rosca junior Data 2 decembrie 2015 17:05:34
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.78 kb
#include <fstream>
#include <iostream>
#include <queue>

#define t1 0b11111111

using namespace std;

ifstream fi("radixsort.in");
ofstream fo("radixsort.out");
int n, i, iq, v[10000001], p10, p, a, b, c, byte;
queue<int> q[t1];

int main() {
  fi >> n >> a >> b >> c;
  v[1] = b;
  for (i = 2; i <= n; i++)
    v[i] = (a * v[i-1] + b) % c;
  p10 = 1;
  for (byte = 0; byte <= 3; byte++) {
    for (i = 1; i <= n; i++) {
      c = v[i] >> (byte * 8) & t1; // t1 - toti bitii de 1
      q[c].push(v[i]);
    }
    i = 0;
    for (iq = 0; iq <= t1; iq++)  // Punem elementele in v.
      while (not q[iq].empty()) {
        i++;
        v[i] = q[iq].front();
        q[iq].pop();
      }
  }
  for (i = 1; i <= n; i += 10)
    fo << v[i] << ' ';
  return 0;
}