算法:滑动窗口
滑动窗口最小窗口：1234567//i, j分别为窗口的左右指针while (j < 最大长度) { while (满足条件) 窗口左边界右移 更新result j ++;}
lc.76 最小覆盖子串
123456789101112131415161718192021222324252627282930313233343536class Solution {public: string minWindow(string s, string t) { string res = ""; // 初始化 int len = s.size(); // 最小字串的长度, 初始化为最大 // i,j为左右指针,diff为s[i...j]和t之间差别个数 int i = 0, j = 0, diff = t.size(); // map存放t种每个元素及其对应的个数 unordered_map<char, ...
无题
房价预测
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