1441.cpp (371B)
1 class Solution { 2 public: 3 vector<string> buildArray(vector<int> &target, int n) { 4 vector<string> res; 5 int stream = 1; 6 for (int t : target) { 7 while (stream++ != t) { 8 res.push_back("Push"); 9 res.push_back("Pop"); 10 } 11 res.push_back("Push"); 12 } 13 return res; 14 } 15 };