Problem	itinerary
User	nugen
Submission Time	2026-11-09 15:27:35
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

itinerary.cpp: In function ‘int main()’:
itinerary.cpp:25:30: error: ‘__gnu_cxx::__alloc_traits<std::allocator<std::set<long long int> >, std::set<long long int> >::value_type’ {aka ‘class std::set<long long int>’} has no member named ‘contains’
25 | if(v[ite[j]].contains(ite[i+1])){cnt[ite[j]]++; if(cnt[ite[j]]>2){ok=0;continue;}}
| ^~~~~~~~