Problem	lookback
User	Randomguy
Submission Time	2025-12-24 14:55:05
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lookback.cpp: In function ‘int main()’:
lookback.cpp:8:2: error: ‘vector’ was not declared in this scope
8 | vector<long long>el;
| ^~~~~~
lookback.cpp:2:1: note: ‘std::vector’ is defined in header ‘<vector>’; did you forget to ‘#include <vector>’?
1 | #include <iostream>
+++ |+#include <vector>
2 | using namespace std;
lookback.cpp:8:9: error: expected primary-expression before ‘long’
8 | vector<long long>el;
| ^~~~
lookback.cpp:9:2: error: ‘el’ was not declared in this scope; did you mean ‘e’?
9 | el.push_back(0);
| ^~
| e