Compilare: main.cpp: In function 'int lanterna(int)': main.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(j=0; j<G[x].size(); j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:12: warning: unused variable 'j' [-Wunused-variable] 76 | int i, j,x, y, t, w,wmin; | ^