BASIC OF COMPITATIVE
BASIC OF COMPITATIVE import java.util.* ; public class l002 { public static Scanner scn = new Scanner ( System . in); public static boolean isEven ( int n ) { if (n % 2 == 0 ) return true ; else return false ; } public static boolean isPrime ( int n ) { for ( int i = 2 ; i * i <= n; i ++ ) { if (n % i == 0 ) return false ; } return true ; } public static void printAllPrimeInRange ( int low , int heigh ) { for ( int i = low; i <= heigh; i ++ ) { if (isPrime(i)) System . out . println(i); } } public static int countDigits ( int n ) { int len = 0 ; while (n != 0 ) { n /= 10 ; len ++ ; } return len; } public static void printDigitsInReverseOrder ( int n ) { while (n != 0 ...