幼儿园

leetcode http://leetcode.com/ careerup http://www.careercup.com/ http://hawstein.com/posts/ctci-solutions-contents.html glassdoor http://www.glassdoor.com/index.htm topcoder http://www.topcoder.com/ z...

class Solution { public int[] twoSum(int[] nums, int target) { int[] result = new int[2]; for(int i = 0; i<nums.length-1;i++){ int cha = target - nums[i]; ...

public ListNode addTwoNumbers(ListNode l1, ListNode l2) { if(l1==null) return l2; if(l2==null) return l1; int carry = 0; ListNode ne...

public int lengthOfLongestSubstring(String s) { if(s.length()<=1){ return s.length(); } StringBuilder sb = new StringBuilder(); int max = 0; int tmp = 0; f...