Which Of The Following Function Chooses A Random Index As Pivot #676

 void partition_random(int arr[], int low, int high) { srand(time(NULL)); int random = low + rand() % (high - low); swap(arr[random], arr[high]); } 

 void partition_random(int arr[], int low, int high) { srand(time(NULL)); int random = high + rand() % (high - low); swap(arr[random], arr[high]); } 

 void partition_random(int arr[], int low, int high) { srand(1); int random = low + rand() % (high - low); swap(arr[random], arr[high]); } 

 void partition_random(int arr[], int low, int high) { srand(time(NULL)); int random = low + rand() % (high - low-1); swap(arr[low], arr[high]); }