Problem	calc
User	Debdan01
Submission Time	2025-08-28 17:17:55
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

calc.cpp: In function ‘int main()’:
calc.cpp:6:2: error: ‘deque’ was not declared in this scope
6 | deque<int>dq;
| ^~~~~
calc.cpp:2:1: note: ‘std::deque’ is defined in header ‘<deque>’; did you forget to ‘#include <deque>’?
1 | #include <iostream>
+++ |+#include <deque>
2 | using namespace std;
calc.cpp:6:8: error: expected primary-expression before ‘int’
6 | deque<int>dq;
| ^~~
calc.cpp:9:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
9 | if(s=="ADD"){
| ^~~~~
calc.cpp:11:4: error: ‘dq’ was not declared in this scope
11 | dq.push_back(x);
| ^~
calc.cpp:13:15: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
13 | }else if(s=="UNDO"){
| ^~~~~~
calc.cpp:14:4: error: ‘dq’ was not declared in this scope
14 | dq.pop_back;