摘要: k个k进制的数字进行不进位加法,结果为0 时空复杂度O(n) class Solution { public: string decTok(int dec,int k){ string ret = ""; while(dec){ ret += char(dec%k + '0'); dec /= k; 阅读全文
posted @ 2023-01-30 22:46 破忒头头 阅读(24) 评论(0) 推荐(0)
摘要: 哈希表 时空复杂度 O(n) class Solution { public: vector<int> findNumsAppearOnce(vector<int>& nums) { unordered_map<int,int> m; vector<int> res; for(auto x : nu 阅读全文
posted @ 2023-01-30 21:27 破忒头头 阅读(20) 评论(0) 推荐(0)