leetcode 1598. 文件夹操作日志搜集器-耗时100-Crawler Log Folder

Problem: 1598. 文件夹操作日志搜集器-耗时100-Crawler Log Folder耗时100%栈若不是./或者…/则push若是…/则popCodeclass Solution { public: int minOperations(vectorstring logs) { stackstring tk; int n logs.size(); for(int i 0; i n; i) { if(logs[i][0] ! .) tk.push(logs[i]); else if(logs[i]../) { if(!tk.empty()) tk.pop(); } } return tk.size(); } };