Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:23:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int i=0;i<graf[nod].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i=0;i<coduri.size();i++) | ~^~~~~~~~~~~~~~