Problem	bigrace
User	pasit
Submission Time	2026-08-30 21:11:17
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

bigrace.cpp: In function ‘int32_t main()’:
bigrace.cpp:29:33: error: ‘xd’ was not declared in this scope; did you mean ‘x’?
29 | auto it = ms.lower_bound(need-xd);
| ^~
| x