Problem	ntuc
User	thatlycheeoolongdrink
Submission Time	2025-06-19 10:33:08
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ntuc.cpp: In function ‘int main()’:
ntuc.cpp:40:25: error: decrement of member ‘std::pair<long long int, long long int>::second’ in read-only object
40 | x.top().second--;
| ~~~~~~~~^~~~~~