hslx0的博客

```cpp #include <iostream> #include <string> #include <vector> #include <map> #include<algorithm> using namespace std; class Solution { public: vector<vector<string> > groupAnagrams(vector<string>&.

练习 pow某数据的N次幂 #include <iostream> class Solution { public: double mypow(double x, int n) { double res = 1.0; for (int i = n; i != 0; i /= 2) { if (i % 2 != 0) { res *= x;