Driver Code to test above function
$ N = 10904025 ; $ K = 2 ; echo countDigitsToBeRemoved ( $ N , $ K ) . " " ; $ N = 1000 ; $ K = 5 ; echo countDigitsToBeRemoved ( $ N , $ K ) . " " ; $ N = 23985 ; $ K = 2 ; echo countDigitsToBeRemoved ( $ N , $ K ) ; ? >