Compilare: main.cpp: In function 'void solve_testcase()': main.cpp:278:20: warning: comparison of integer expressions of different signedness: 'std::unordered_map<int, bool>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 278 | if(seen.size() != n) | ~~~~~~~~~~~~^~~~ main.cpp:285:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 285 | if(cyc.size() != m) | ~~~~~~~~~~~^~~~