Contest1211/G.cpp

#include <bits/stdc++.h>
const int MAX = 500000;
const int S = 2000000000;
using namespace std;
int L[MAX / 2 + 2], R[MAX / 2 + 2];
int cnt;
void merge(int A[], int n, int left, int mid, int right) {
  int n1 = mid - left;
  int n2 = right - mid;
  for (int i = 0; i < n1; i++) L[i] = A[left + i];
  for (int i = 0; i < n2; i++) R[i] = A[mid + i];
  L[n1] = R[n2] = S;
  int i = 0, j = 0;
  for (int k = left; k < right; k++) {
    cnt++;
    if (L[i] <= R[j]) {
      A[k] = L[i++];
    } else {
      A[k] = R[j++];
    }
  }
}
void mergesort(int A[], int n, int left, int right) {
  if (left + 1 < right) {
    int mid = (left + right) / 2;
    mergesort(A, n, left, mid);
    mergesort(A, n, mid, right);
    merge(A, n, left, mid, right);
  }
}
int main(int argc, char const *argv[]) {
  int A[MAX], n, i;
  cnt = 0;
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> A[i];
  }
  mergesort(A, n, 0, n);
  for (i = 0; i < n; i++) {
    if (i) cout << " ";
    cout << A[i];
  }
  cout << endl;
  cout << cnt << endl;
  return 0;
}