Driver Code
public static void Main ( String [ ] args ) { int [ ] arr = { 233 , 144 , 89 , 71 , 13 , 21 , 11 , 34 , 55 , 23 } ; int n = arr . Length ; int k = 3 ; int ans = largestCompositeDigitProduct ( arr , n , k ) ; Console . Write ( ans + " STRNEWLINE " ) ; } }