|  | 
 
| #include<iostream> using  namespace std;
 int arr[1000000];
 void maxhead(int arr[], int size, int i) {
 int l =  i * 2;
 int r = i * 2 + 1;
 int  x = i;
 if (l <= size && arr[l] > arr[x]) {
 x = l;
 }
 if (r <= size && arr[r] > arr[x]) {
 x = r;
 }
 if (x != i) {
 swap(arr[x], arr);
 maxhead(arr, size, x);
 }
 }
 void  buildhead(int arr[], int size) {
 for (int i = size / 2; i >= 1; i--) {
 maxhead(arr, size, i);
 }
 }
 void sorthead  (int arr[], int size) {
 for (int i = size; i >= 2; i--) {
 swap(arr[1], arr);
 maxhead(arr, i - 1, 1);
 }
 }
 int main() {
 ios::sync_with_stdio(false);
 cin.tie(0);
 cout.tie(0);
 int n;
 cin >> n;
 for (int i = 1; i <= n; i++) {
 cin >> arr;
 }
 buildhead(arr, n);
 sorthead(arr, n);
 for (int i =  1; i <= n; i++ ) {
 cout << arr << " ";
 }
 return 0;
 }
 
 
 
 | 
 |