Compilare: main.cpp: In function 'void dfs(int)': main.cpp:31:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = 0; i < graf[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int i = 0; i < graf[poz].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:93:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for (int i = 0; i < grafTrans[poz].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~