《剑指Offer》二维数组中的查找

 for(row = 0,column = column_len-1;column >= 0&&row <row_len;)

public class FindArray {
     public static void main(String[] args) {
    
        int[][] arr = { {1,2,8,9},{2,4,9,12},{4,7,10,13},{6,8,11,15}};
        
        System.out.println(Find(7,arr));
    }
     
     public static boolean Find(int target,int[][] array) {
         int row_len = array.length;   
         int column_len = array[0].length;
         int row = 0;
         int column = column_len-1; 
         for(row = 0,column = column_len-1;column >= 0&&row <row_len;) {
             if(target == array[row][column]) {
                 return true;
             }
             if(array[row][column] > target) {
                 column--;
                 continue;
             }
             if(array[row][column]<target) {
                 row++;
                 continue;
             }
         }
         return false;
     }
     
     
}