Compilare: main.cpp: In function 'void sortaretopologica()': main.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(i=0;i<b[nodcurent].size();i++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(i=0;i<rez.size();i++) | ~^~~~~~~~~~~