Cod sursa(job #2589816)

Utilizator segtreapMihnea Andreescu segtreap Data 26 martie 2020 22:09:35
Problema Sortare prin comparare Scor 40
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.88 kb
#include <algorithm>
#include <cstdio>
#include <vector>
#include <iostream>
#include <random>

using namespace std;

vector<int> read() {
  int n;
  scanf("%d", &n);
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }
  return a;
}

mt19937 rng(228);

vector<int> solve(vector<int> a) {
  shuffle(a.begin(), a.end(), rng);
  int n = (int) a.size();
  bool changes = 1;
  while (changes) {
    changes = 0;
    for (int x = 1; x <= n; x *= 2) {
      for (int i = 0; i + x < n; i++) {
        if (a[i + x] < a[i]) {
          swap(a[i], a[i + x]);
          changes = 1;
        }
      }
    }
  }
  return a;
}

void print(vector<int> a) {
  for (auto &x : a) {
    printf("%d ", x);
  }
  printf("\n");
}

int main() {
  freopen ("algsort.in", "r", stdin);
  freopen ("algsort.out", "w", stdout);
  print(solve(read()));
}