Problem	mountains
User	phoenixai0
Submission Time	2025-12-21 09:58:29
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

mountains.cpp: In function ‘int main()’:
mountains.cpp:22:40: error: ‘ordered_multiset<long long int>’ {aka ‘class __gnu_pbds::tree<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update, std::allocator<char> >’} has no member named ‘count’
22 | if (x.find(a[i]) != x.end()) a1 -= x.count(a[i]);
| ^~~~~
mountains.cpp:24:40: error: ‘ordered_multiset<long long int>’ {aka ‘class __gnu_pbds::tree<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update, std::allocator<char> >’} has no member named ‘count’
24 | if (y.find(a[i]) != y.end()) a1 -= y.count(a[i]);
| ^~~~~