Compilare: main.cpp: In function 'void dfs(int)': main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i<arce[nod].size(); i++) //pentru fiecare vecin al nodului curent | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int i = 1; i < nod_min.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:115:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(int i = 1; i < nod_min.size(); i++) | ~~^~~~~~~~~~~~~~~~