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1 //空节点的个数 = 非空节点个数 + 1 2 class Solution 3 { 4 vector<string> res; 5 void spilt(string s,char c) 6 { 7 istringstream iss(s); 8 string temp; 9 while(ge 阅读全文
posted @ 2020-04-21 22:21
Jinxiaobo0509
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1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int val; 5 * ListNode *next; 6 * ListNode(int x) : val(x), next(NULL) {} 7 * }; 阅读全文
posted @ 2020-04-21 17:58
Jinxiaobo0509
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1 class Solution 2 { 3 public: 4 bool isPowerOfFour(int num) 5 { 6 return (num > 0) && ((num & (-num)) == num) && (num % 3 == 1); 7 } 8 }; 阅读全文
posted @ 2020-04-21 17:44
Jinxiaobo0509
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1 class Solution 2 { 3 public: 4 bool isPowerOfThree(int n) 5 { 6 return n > 0 && 1162261467 % n == 0; 7 } 8 }; 阅读全文
posted @ 2020-04-21 17:25
Jinxiaobo0509
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1 class Solution 2 { 3 public: 4 void wiggleSort(vector<int>& nums) 5 { 6 int n = nums.size(); 7 sort(nums.begin(),nums.end()); 8 vector<int> temp; 9 阅读全文
posted @ 2020-04-21 16:48
Jinxiaobo0509
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1 class Solution 2 { 3 public: 4 int coinChange(vector<int>& coins, int amount) 5 { 6 vector<long long> dp(amount + 1,INT_MAX); 7 dp[0] = 0;//总金额为0元所需 阅读全文
posted @ 2020-04-21 14:42
Jinxiaobo0509
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1 class Solution 2 { 3 public: 4 int bulbSwitch(int n) 5 { 6 return sqrt(n); 7 } 8 }; 阅读全文
posted @ 2020-04-21 11:42
Jinxiaobo0509
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1、暴力求解 1 class Solution 2 { 3 public: 4 int maxProduct(vector<string>& words) 5 { 6 int n = words.size(); 7 int res = 0; 8 for(auto& a : words) sort(a 阅读全文
posted @ 2020-04-21 10:54
Jinxiaobo0509
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