Find the number of ways to divide number into four parts such that a = c and b = d | Function to find the number of ways to divide N into four parts such that a = c and b = d ; Driver code
function possibleways ( n ) { if ( n % 2 == 1 ) return 0 ; else if ( n % 4 == 0 ) return n / 4 - 1 ; else return n / 4 ; } let n = 20 ; document . write ( possibleways ( n ) ) ;