sleep_sort

#include <stdio.h> 
#include <windows.h> 
#include <process.h> 
void routine(void *a) 
{ 
    int n = *(int *) a; // typecasting from void to int 
  
    // Sleeping time is proportional to the number 
    // More precisely this thread sleep for 'n' milliseconds 
    Sleep(n); 
  
    // After the sleep, print the number 
    printf("%d ", n); 
} 
void sleepSort(int arr[], int n) 
{ 
    // An array of threads, one for each of the elements 
    // in the input array 
    HANDLE threads[n]; 
  
    // Create the threads for each of the input array elements 
    for (int i = 0; i < n; i++) 
        threads[i] = (HANDLE)_beginthread(&routine, 0,  &arr[i]); 
  
    // Process these threads 
    WaitForMultipleObjects(n, threads, TRUE, INFINITE); 
    return; 
} 
  
// Driver program to test above functions 
int main() 
{ 
    // Doesn't work for negative numbers 
    int arr[] = {34, 23, 122, 9}; 
    int n = sizeof(arr) / sizeof(arr[0]); 
  
    sleepSort (arr, n); 
  
    return(0); 
}