题目链接 解题思路：滑动窗口 C++： class Solution { public: unordered_map <char, int> ori, cnt; bool check() { for (const auto &p: ori) { if (cnt[p.first] < p.second Read More
题目链接 解题思路： C++： class Solution { public: int compareVersion(string version1, string version2) { int n1 = version1.size(), n2 = version2.size(), end = Read More