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- #include <stdio.h>
- void merge(int arr[], int l, int mid, int r)
- {
- int i = l, j = mid + 1, k = l, output[1000];
- while (i <= mid && j <= r)
- {
- if (arr[i] < arr[j])
- {
- output[k] = arr[i];
- k++;
- i++;
- }
- else
- {
- output[k] = arr[j];
- j++;
- k++;
- }
- }
- while (i <= mid || j <= r)
- {
- if (i <= mid)
- {
- output[k] = arr[i];
- k++;
- i++;
- }
- else
- {
- output[k] = arr[j];
- j++;
- k++;
- }
- }
- for (int i = l; i < k; i++)
- {
- arr[i] = output[i];
- }
- }
- void mergeSort(int arr[], int l, int r)
- {
- if (l < r)
- {
- int mid = (l + r) / 2;
- mergeSort(arr, l, mid);
- mergeSort(arr, mid + 1, r);
- merge(arr, l, mid, r);
- }
- }
- int main()
- {
- int n;
- scanf("%d", &n);
- int a[n];
- for (int i = 0; i < n; i++)
- {
- scanf("%d", &a[i]);
- }
- mergeSort(a, 0, n - 1);
- for (int i = 0; i < n; i++)
- {
- printf("%d ", a[i]);
- }
- }
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