Find the number of ways to divide number into four parts such that a = c and b = d | Java implementation for above approach ; Function to find the number of ways to divide N into four parts such that a = c and b = d ; Driver code
class GFG { static int possibleways ( int n ) { if ( n % 2 == 1 ) return 0 ; else if ( n % 4 == 0 ) return n / 4 - 1 ; else return n / 4 ; } public static void main ( String [ ] args ) { int n = 20 ; System . out . println ( possibleways ( n ) ) ; } }