Compilare: main.cpp: In function 'void dfs_dragon_vrajitor(const int&, int)': main.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for (int i = 0; i < graf[from].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs_cavaler_vrajitor(const int&, int)': main.cpp:31:23: 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[from].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:66:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (int i = 0; i < graf[V].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:62:13: warning: unused variable 'timp_vrajitor_intersectie' [-Wunused-variable] 62 | int timp_vrajitor_intersectie = timp_intrare1[V] - timp_intrare1[intersectie] + 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~