public class Solution {
public boolean Find(int target, int [][] array) {
int row=0;
int col=array[0].length-1;
while(row<=array.length-1&&col>=0){
if(target==array[row][col]){
return true;
}
else if(target>array[row][col]){
row++;
}
else{
col--;
}
}
return false;
}
}