qq_43398404的博客

public class Solution { public ArrayList<Integer> printListFromTailToHead(ListNode listNode) { ListNode tmp = listNode; ArrayList<Integer> arraylist = new ArrayList<>(); while(tmp!=null){ arraylist.

public String replaceSpace (String s) { // write code here StringBuilder sb = new StringBuilder(); for(int i=0;i<s.length();i++){ if(s.charAt(i) == ' '){ sb.append("%20"); }else{

public class Solution { public boolean Find(int target, int [][] array) { int row,col,row_length,col_length; row_length = array.length; col_length = array[0].length; row = row_length-1; col = 0; for(int