Compilare: main.cpp: In function 'int verifciclu(int)': main.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (i=0; i<graf[now].size(); i++) { | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:27: warning: unused variable 'ok' [-Wunused-variable] 70 | int m, a, b, cost, i, ok, st, dr, mijl; | ^~