// Sort(In Ascending Order) Array using Inbuilt Sort function
sort(arr, arr+n);
  
// Sort(In Ascending Order) Vector using Inbuilt Sort function
sort(arr.begin(), arr.end());

// Sort(In Descending Order) Array using Inbuilt Sort function
sort(arr, arr+n, greater())
  
// Sort(In Descending Order) Vector using Inbuilt Sort function
sort(arr.begin(), arr.end(), greater())