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Cod sursa(job #573267)
#include<fstream>
using namespace std;
#define DIM 500000
int arr[DIM];
void quickSort(int arr[], int left, int right) {
int i = left, j = right;
int tmp;
int pivot = arr[(left + right) / 2];
while (i <= j) {
while (arr[i] < pivot)
i++;
while (arr[j] > pivot)
j--;
if (i <= j) {
tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
i++;
j--;
}
};
if (left < j)
quickSort(arr, left, j);
if (i < right)
quickSort(arr, i, right);
}
int main(){
ifstream fin ("algsort.in");
ofstream fout ("algsort.out");
int i,N;
fin>>N;
for(i=1;i<=N;i++)
fin>>arr[i];
quickSort(arr, 1, N);
for(i=1;i<=N;i++)
fout<<arr[i]<<" ";
fout<<"\n";
fout.close();
fin.close();
return 0;
}