Problem	unluckyfloors
User	maximushartanto
Submission Time	2025-12-21 20:22:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

unluckyfloors.cpp: In function ‘void query2(i64)’:
unluckyfloors.cpp:139:6: error: no ‘operator--(int)’ declared for postfix ‘--’ [-fpermissive]
139 | res--;
| ~~~^~