1.假设可以用color种颜色，如果不满足则增大color的量

import java.util.*;public class Main{    static int[] state;    static int color=3;    static int len;    public static void main(String[] args) {          int[][] e={
   {0,0,0,0,0},{0,0,1,1,1},{0,1,0,1,0},{0,1,1,0,0},{0,1,0,0,0}};        len=e.length;        state=new int[len];        if(deepFun(0,e)){            System.out.println("OK");            for(int i=1;i