Pagini recente » Cod sursa (job #2263024) | Cod sursa (job #360960) | Cod sursa (job #2480291) | Cod sursa (job #1399824) | Cod sursa (job #3211137)
#include <bits/stdc++.h>
using namespace std;
const int MaxN = 500005;
int n;
int arr[MaxN];
int auxArr[MaxN];
ifstream fin ("algsort.in");
ofstream fout ("algsort.out");
void MergeSort(int arr[], int left, int right) {
if (left >= right) {
return;
}
int mid = left + (right - left) / 2;
MergeSort(arr, left, mid);
MergeSort(arr, mid + 1, right);
int i = left;
int j = mid + 1;
int k = 0;
while (i <= mid && j <= right) {
if (arr[i] <= arr[j]) {
auxArr[k++] = arr[i];
i++;
}
else {
auxArr[k++] = arr[j];
j++;
}
}
while (i <= mid) {
auxArr[k++] = arr[i];
i++;
}
while (j <= right) {
auxArr[k++] = arr[j];
j++;
}
for (int i = 0; i < k; i++)
arr[left + i] = auxArr[i];
}
int main()
{
fin >> n;
for (int i = 0; i < n; i++)
fin >> arr[i];
MergeSort(arr, 0, n - 1);
for (int i = 0; i < n; i++)
fout << arr[i] << " ";
return 0;
}