- /*
- * 1. 正六面体染色
- 正六面体用4种颜色染色。
- 共有多少种不同的染色样式?
- 要考虑六面体可以任意旋转、翻转。
- */
- import java.util.ArrayList;
- public class 正六面体染色 {
- public static int sum = 0;
- /**
- * @param args
- */
- public static void main(String[] args) {
- // TODO Auto-generated method stub
- f();
- }
- public static void f(){
- ArrayList<Integer> arr = new ArrayList<Integer>(4*4*4*4*4*4);
- for(int x1 = 1; x1 <= 4; x1++){
- for(int x2 = 1; x2 <= 4; x2++){
- for(int x3 = 1; x3 <= 4; x3++){
- for(int x4 = 1; x4 <= 4; x4++){
- for(int x5 = 1; x5 <= 4; x5++){
- for(int x6 = 1; x6 <= 4; x6++){
- arr.add(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6);
- }
- }
- }
- }
- }
- }
- for(int x1 = 1; x1 <= 4; x1++){
- for(int x2 = 1; x2 <= 4; x2++){
- for(int x3 = 1; x3 <= 4; x3++){
- for(int x4 = 1; x4 <= 4; x4++){
- for(int x5 = 1; x5 <= 4; x5++){
- for(int x6 = 1; x6 <= 4; x6++){
- if(arr.contains(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6)){
- sum++;
- arr.remove(new Integer(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6));
- up(x4,x1,x3,x6,x5,x2,arr);
- left(x5,x2,x1,x4,x6,x3,arr);
- rotate(x1,x5,x2,x3,x4,x6,arr);
- }
- }
- }
- }
- }
- }
- }
- System.out.println(sum);
- }
- public static void up(int x1, int x2, int x3, int x4, int x5, int x6, ArrayList<Integer> arr){
- if(arr.remove(new Integer(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6))){
- up(x4,x1,x3,x6,x5,x2,arr);
- left(x5,x2,x1,x4,x6,x3,arr);
- rotate(x1,x5,x2,x3,x4,x6,arr);
- }else
- return;
- }
- public static void left(int x1, int x2, int x3, int x4, int x5, int x6, ArrayList<Integer> arr){
- if(arr.remove(new Integer(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6))){
- up(x4,x1,x3,x6,x5,x2,arr);
- left(x5,x2,x1,x4,x6,x3,arr);
- rotate(x1,x5,x2,x3,x4,x6,arr);
- }else
- return;
- }
- public static void rotate(int x1, int x2, int x3, int x4, int x5, int x6, ArrayList<Integer> arr){
- if(arr.remove(new Integer(x1 * 100000 + x2 * 10000 + x3 * 1000 + x4 * 100 + x5 * 10 + x6))){
- up(x4,x1,x3,x6,x5,x2,arr);
- left(x5,x2,x1,x4,x6,x3,arr);
- rotate(x1,x5,x2,x3,x4,x6,arr);
- }else
- return;
- }
- }
Java正六面体4种颜色染色方式
猜你喜欢
转载自blog.csdn.net/qq_38500224/article/details/78773525
今日推荐
周排行