Compilare: main.cpp: In function 'int main()': main.cpp:59:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 59 | if (toShow.size( ) < numEdges) {out << 0 << endl; return 0;} | ~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:54:9: warning: unused variable 'howMany' [-Wunused-variable] 54 | int howMany = 0; | ^~~~~~~