Problem	subgraphs
User	carson
Submission Time	2026-01-12 20:25:52
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

subgraphs.cpp: In function ‘int main()’:
subgraphs.cpp:15:8: error: ‘class std::set<long long int>’ has no member named ‘contains’
15 | if(a.contains(x)){
| ^~~~~~~~
subgraphs.cpp:18:8: error: ‘class std::set<long long int>’ has no member named ‘contains’
18 | if(a.contains(y)){
| ^~~~~~~~