Problem	missingnumber
User	Elnathan
Submission Time	2023-12-09 09:01:03
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

missingnumber.cpp: In function ‘int main()’:
missingnumber.cpp:11:2: error: ‘unordered_’ was not declared in this scope
11 | unordered_<int> uset;
| ^~~~~~~~~~
missingnumber.cpp:11:13: error: expected primary-expression before ‘int’
11 | unordered_<int> uset;
| ^~~
missingnumber.cpp:15:3: error: ‘uset’ was not declared in this scope
15 | uset.insert(a);
| ^~~~
missingnumber.cpp:17:10: error: ‘uset’ was not declared in this scope
17 | cout << uset.size();
| ^~~~