Problem	cups
User	pseudocoder101
Submission Time	2025-10-31 17:14:32
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cups.cpp: In function ‘int main()’:
cups.cpp:11:5: error: ‘unordered’ was not declared in this scope
11 | unordered set <ll> a;
| ^~~~~~~~~
cups.cpp:18:21: error: ‘a’ was not declared in this scope
18 | if (a.find(x-add)!=a.end()){
| ^
cups.cpp:25:17: error: ‘a’ was not declared in this scope
25 | a.insert(x-add);
| ^