Problem	ancestor
User	YellowPurpleDragon
Submission Time	2026-10-14 22:49:00
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ancestor.cpp:22:20: error: ‘pair_hash’ was not declared in this scope
22 | map<pair<ll,ll>,ll,pair_hash> g;
| ^~~~~~~~~
ancestor.cpp:22:29: error: template argument 3 is invalid
22 | map<pair<ll,ll>,ll,pair_hash> g;
| ^
ancestor.cpp: In function ‘void dfs(std::deque<int>, int)’:
ancestor.cpp:29:11: error: invalid types ‘int[<brace-enclosed initializer list>]’ for array subscript
29 | g[{x,i}] = v[i];
| ^
ancestor.cpp:31:11: error: invalid types ‘int[<brace-enclosed initializer list>]’ for array subscript
31 | g[{x,i}] = -1;
| ^
ancestor.cpp: In function ‘int main()’:
ancestor.cpp:64:15: error: no match for ‘operator[]’ (operand types are ‘int’ and ‘__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type’ {aka ‘std::pair<int, int