Problem	cht
User	asbx
Submission Time	2023-12-27 09:34:03
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cht.cpp:2:12: error: duplicate ‘unsigned’
2 | #define ll unsigned long long
| ^~~~~~~~
cht.cpp:15:29: note: in expansion of macro ‘ll’
15 | bool operator<(unsigned ll x) const { return p < x; }
| ^~