Compilare: main.cpp: In function 'long long int dfs(long long int)': main.cpp:14:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (int i=0; i<g[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'long long int rezolva(long long int)': main.cpp:46:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int i=0; i<g[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp:52:14: warning: statement has no effect [-Wunused-value] 52 | p%MOD; | ^