Compilare: main.cpp: In function 'void afis2(std::ofstream&)': main.cpp:43:18: warning: unused variable 'j' [-Wunused-variable] 43 | for(auto j: ctcv[i]) | ^ main.cpp: In function 'void sortare_topologica()': main.cpp:194:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 194 | if(L[i].size() < l_min) | ~~~~~~~~~~~~^~~~~~~ main.cpp:190:22: warning: variable 'node' set but not used [-Wunused-but-set-variable] 190 | int l_min = 1e9, node; | ^~~~