企业官网建设流程全解析

Problem: 1656. 设计有序流

英文题目的题意太模糊了，描述不清楚，中文题目描述清楚些，模拟题，按照题意即可

Code

class OrderedStream { public: vector<string> tr; int ptr = 1, nn; OrderedStream(int n) { tr.resize(n+1); nn = n; } vector<string> insert(int idKey, string value) { tr[idKey] = value; if(tr[ptr].size() == 0) return {}; vector<string> ret; int i; for(i = ptr; i <= nn; i++) { if((int)tr[i].size() != 0) ret.push_back(tr[i]); else break; } ptr = i; return ret; } };