Problem	lineup
User	LXYSGP
Submission Time	2026-01-21 09:20:04
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lineup.cpp: In function ‘int main()’:
lineup.cpp:18:18: error: no ‘operator++(int)’ declared for postfix ‘++’ [-fpermissive]
18 | mp[a[r].second]++;
| ~~~~~~~~~~~~~~~^~
lineup.cpp:22:12: error: ‘__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type’ {aka ‘struct std::pair<long long int, long long int>’} has no member named ‘ss’
22 | mp[a[l].ss]--;
| ^~
lineup.cpp:23:7: error: no match for ‘operator!’ (operand type is ‘std::map<long long int, long long int>’)
23 | if(!mp[a[l].second]) cnt--;
| ^~~~~~~~~~~~~~~~
lineup.cpp:23:7: note: candidate: ‘operator!(bool)’ <built-in>
lineup.cpp:23:7: note: no known conversion for argument 1 from ‘std::map<long long int, long long int>’ to ‘bool’