Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchii>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i=0;i<l[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchii>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(i=0;i<l[nod].size();i++) | ~^~~~~~~~~~~~~~