Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for (int i = 0; i < lista[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void afisare(std::vector<int>)': main.cpp:76:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int i = 0; i < coduri.size(); i++) { | ~~^~~~~~~~~~~~~~~