Problem	gemstones
User	shenshiqi
Submission Time	2026-08-31 20:28:49
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gemstones.cpp: In member function ‘node* node::insert(long long int)’:
gemstones.cpp:15:18: error: ‘class __gnu_pbds::gp_hash_table<long long int, node*>’ has no member named ‘count’
15 | if (!adj.count(val)){
| ^~~~~