Compilare: main.cpp: In function 'int main()': main.cpp:27:1: warning: this 'else' clause does not guard... [-Wmisleading-indentation] 27 | else | ^~~~ main.cpp:29:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else' 29 | return 0; | ^~~~~~ main.cpp: In function 'bool bell()': main.cpp:56:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=0;i<G[x].size();i++) | ~^~~~~~~~~~~~