Compilare: main.cpp: In function 'void dfs_coada(int, std::vector<int>*, bool*, t_coada&)': main.cpp:39:23: 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 < graf[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs_transpus(int, std::vector<int>*, bool*, std::vector<int>&)': main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int i = 0; i < graf[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~