Driver code
public static void Main ( String [ ] args ) { int [ ] arr = { 12 , 11 , 13 , 5 , 6 , 7 } ; Console . WriteLine ( " Given ▁ Array " ) ; printArray ( arr ) ; MergeSort ob = new MergeSort ( ) ; ob . sort ( arr , 0 , arr . Length - 1 ) ; Console . WriteLine ( " STRNEWLINE Sorted ▁ array " ) ; printArray ( arr ) ; } }