Compilare: main.cpp: In function 'int Find(int)': main.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (int i=0; i<v[rest].size(); ++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:13: warning: unused variable 'rest' [-Wunused-variable] 43 | int rest = x % mod; | ^~~~