Problem	lasers2
User	ilikeeggs
Submission Time	2026-01-30 08:13:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lasers2.cpp: In function ‘int32_t main()’:
lasers2.cpp:23:5: error: no match for ‘operator+=’ (operand types are ‘std::map<long long int, long long int>’ and ‘long long int’)
23 | b+=a[i].second;
| ~^~~~~~~~~~~~~