摘要：
class Solution {private: const static char* pattern[]; const static char* roman[]; unordered_map a2i;public: int romanToInt(string s) { ... 阅读全文
摘要：
class Solution {public: int trap(int A[], int n) { if (n peaks; vector peaks_tmp; int last_idx = 0; bool increasing = ... 阅读全文