Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where each word is a valid dictionary word. Return all such possible sentences. Note: The same word in the dictionary m…
#include "000库函数.h" //使用折半算法 牛逼算法 class Solution { public: double myPow(double x, int n) { if (n == 0)return 1; double res = 1.0; for (int i = n; i != 0; i /= 2) { if (i % 2 != 0) res *= x; x *= x; } return n > 0 ? res : 1 / res; } }; //同样使用二…