Cod sursa(job #1287798)

Utilizator juniorOvidiu Rosca junior Data 8 decembrie 2014 00:01:48
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 1.23 kb
#include <fstream>
#include <iostream>
#include <queue>

using namespace std;

ifstream fi("radixsort.in");
ofstream fo("radixsort.out");
int n, i, iq, v[10000001], p10, p, a, b, c;
queue<int> q[10];

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 (p = 1; p <= 9; p++) {
    for (i = 1; i <= n; i++) {
      c = v[i] / p10 % 10;
      q[c].push(v[i]);
    }
    i = 0;
    for (iq = 0; iq <= 9; iq++)  // Punem elementele in a.
      while (not q[iq].empty()) {
        i++;
        v[i] = q[iq].front();
        q[iq].pop();
      }
    p10 *= 10;
  }
  for (i = 1; i <= n; i += 10)
    fo << v[i] << ' ';
  return 0;
}
  /*
  849 770 67 347 201 618 66 495 13 45

     0   1   2   3   4   5   6   7   8   9
   770 201      13     495  66  67 618 849
                        45     347


  770 201 13 495 45 66 67 347 618 849

     0   1   2   3   4   5   6   7   8   9
   201  13           45     66 770     495
       618          347     67
                    849

  201 13 618 45 347 849 66 67 770 495

     0   1   2   3   4   5   6   7   8   9
    13     201 347 495     618 770 849
    45
    66
    67
  */