Compilare: main.cpp: In member function 'void Graf::BFS(int)': main.cpp:70:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int j = 0; j < lista_ad[q.front()].size();j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:82:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int i = 1; i <= dist.size()-1;i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&, std::vector<int>&, int)': main.cpp:93:23: 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 < lista_ad[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFSsort(int, std::vector<int>&, std::stack<int>&)': main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int i = 0; i < lista_ad[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFSt(int, std::vector<int>&, std::vector<std::vector<int> >&, int)': main.cpp:150:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | for(int i = 0; i < lista_ad_2[start].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::CTC()': main.cpp:180:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 180 | for (int i = 0; i < s2.size(); i++) | ~~^~~~~~~~~~~ main.cpp:184:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for (int j = 0; j < s2[i].size(); j++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int HavelRez(std::vector<int>)': main.cpp:203:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 203 | if (fst > sir_grade.size()) | ~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::diam()': main.cpp:257:14: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 257 | Graf::DFS(nod1.second, parcurs, dist, x); | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~