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摘要: 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * TreeNode *right; 7 * TreeNode(int x) : val(x), 阅读全文
posted @ 2020-03-30 16:13 Jinxiaobo0509 阅读(125) 评论(0) 推荐(0)
摘要: 1 class Solution 2 { 3 public: 4 int firstMissingPositive(vector<int>& nums) 5 { 6 int minV = INT_MAX; 7 int maxV = INT_MIN; 8 int n = nums.size(); 9 阅读全文
posted @ 2020-03-30 15:07 Jinxiaobo0509 阅读(101) 评论(0) 推荐(0)
摘要: 1 //用到了贪心思想 2 class Solution 3 { 4 public: 5 string small[20] = {"Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten", 6 "Eleve 阅读全文
posted @ 2020-03-24 20:59 Jinxiaobo0509 阅读(220) 评论(0) 推荐(0)
摘要: 1 //所有实现最好写在一个类中 2 class Trie 3 { 4 public: 5 bool is_end; //是否以该单词结尾 6 Trie* son[26]; //该节点儿子的个数 7 Trie() 8 { 9 is_end = false; 10 for(int i = 0;i < 阅读全文
posted @ 2020-03-24 19:07 Jinxiaobo0509 阅读(141) 评论(0) 推荐(0)
摘要: 1 //1、除了小写字母,这些电子邮件还可能包含 '.' 或 '+' 2 //2、每封 emails[i] 都包含有且仅有一个 '@' 字符 3 //3、只考虑本地名称,即'@'字符以前的 4 class Solution 5 { 6 public: 7 int numUniqueEmails(ve 阅读全文
posted @ 2020-03-24 18:36 Jinxiaobo0509 阅读(156) 评论(0) 推荐(0)
摘要: 1 class Solution 2 { 3 vector<int> res; 4 void spilt(string s,char c,vector<int> &res) 5 { 6 istringstream iss(s); 7 string temp; 8 while(getline(iss, 阅读全文
posted @ 2020-03-24 18:31 Jinxiaobo0509 阅读(155) 评论(0) 推荐(0)
摘要: 1 class Solution 2 { 3 //spilt函数的实现 4 //假设以空格切分:char c = ' '; 5 vector<string> res; 6 void spilt(string s,char c,vector<string> &res) 7 { 8 istringstr 阅读全文
posted @ 2020-03-24 18:30 Jinxiaobo0509 阅读(141) 评论(0) 推荐(0)
摘要: 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * TreeNode *right; 7 * TreeNode(int x) : val(x), 阅读全文
posted @ 2020-03-24 12:55 Jinxiaobo0509 阅读(164) 评论(0) 推荐(0)
摘要: 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * TreeNode *right; 7 * TreeNode(int x) : val(x), 阅读全文
posted @ 2020-03-24 12:53 Jinxiaobo0509 阅读(191) 评论(0) 推荐(0)
摘要: 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * TreeNode *right; 7 * TreeNode(int x) : val(x), 阅读全文
posted @ 2020-03-24 12:50 Jinxiaobo0509 阅读(269) 评论(0) 推荐(0)
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