摘要：
class TreeNode { int val; TreeNode left; TreeNode right; TreeNode(int x) { val = x; } } public class BinaryCode { public static void main(String[] arg 阅读全文
摘要：
public static boolean Find(int target, int [][] array) { if(array==null || (array.length==1 && array[0].length==0)){ return false; } int index = -1; f 阅读全文