Problem	combo
User	shenshiqi
Submission Time	2026-07-24 16:53:56
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

combo.cpp:4:1: error: ‘mt19937’ does not name a type
4 | mt19937 gen(chrono::high_resolution_clock::now().time_since_epoch().count());
| ^~~~~~~
combo.cpp: In function ‘std::string guess_sequence(int)’:
combo.cpp:27:37: error: ‘gen’ was not declared in this scope
27 | shuffle(chr.begin(), chr.end(), gen);
| ^~~