Problem	supermarket
User	purpleblackferret
Submission Time	2024-01-05 19:15:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

supermarket.cpp:32:17: error: lambda-expression in template-argument only available with ‘-std=c++2a’ or ‘-std=gnu++2a’
32 | auto joinfunc = [](T a, T b) { return a + b; }, T identity = T() >
| ^