class Solution { public: /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param s string字符串 * @return string字符串 */ string decodeString(string s) { // write code here int n = s.size(); stack<char> st; for (int i = 0; i < n; ++i) { if (s[i] == ']') { string str = "", num = ""; while (!st.emp...