摘要：
class Solution {public: int GetNumberOfK(vector<int> data ,int k) { if(data.size() <=0) return 0; int result = 0; int index = -1; index = binSearch(da 阅读全文
摘要：
class Solution {public: vector<string> Permutation(string str) { vector<string> result; if(str.size()<=0) return result; int start = 0; permute( str, 阅读全文