Problem	lasers3
User	duck
Submission Time	2025-12-29 18:30:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lasers3.cpp: In function ‘int32_t main()’:
lasers3.cpp:40:15: error: request for member ‘erase’ in ‘freq’, which is of non-class type ‘std::map<long long int, long long int> [(n + 1)]’
40 | it = freq.erase(it);
| ^~~~~