/************************************************************** * Find numbers that are the sum of two cubes in two different ways * Mark Goadrich * CSC 204 - Spring 2008 **************************************************************/ public class Taxi{ // main method to run the program public static void main(String[] args) { // get number N, max size of internal numbers, from user double N = Double.parseDouble(args[0]); // find all combinations of four distinct numbers for (int a = 0; a < N; a++) { for (int b = a + 1; b < N; b++) { for (int c = b + 1; c < N; c++) { for (int d = c + 1; d < N; d++) { if (Math.pow(a, 3) + Math.pow(b, 3) == Math.pow(c, 3) + Math.pow(d, 3)) { System.out.println(Math.pow(a, 3) + Math.pow(b, 3)); System.out.println("" + a + "," + b + "," + c + "," + d); } if (Math.pow(a, 3) + Math.pow(c, 3) == Math.pow(b, 3) + Math.pow(d, 3)) { System.out.println(Math.pow(a, 3) + Math.pow(c, 3)); System.out.println("" + a + "," + b + "," + c + "," + d); } if (Math.pow(a, 3) + Math.pow(d, 3) == Math.pow(c, 3) + Math.pow(b, 3)) { System.out.println(Math.pow(a, 3) + Math.pow(d, 3)); System.out.println("" + a + "," + b + "," + c + "," + d); } } } } } } }