//二分法查找,从中间查起,然后向两边扩散//时间复杂度 public class Solution { public boolean Find(int target, int [][] array) { if(array == null || array.length == 0||array[0] == null || array[0].length == 0){ return false; } return find2(array,0,array[0].length-1,0,array.length-1,ta...