Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, const Graf&)': main.cpp:109:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for (int j = 1; j < grafDat.lisAdiacenta[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BFS(int)': main.cpp:156:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:146:12: warning: unused variable 'y' [-Wunused-variable] 146 | int x, y; | ^ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&, std::stack<int>&)': main.cpp:180:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 180 | for(int i = 1; i < lisAdiacenta[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In static member function 'static void Graf::existaGraf(std::vector<int>&, std::ostream&)': main.cpp:223:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 223 | for (int i = 0; i < grade.size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp:241:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 241 | if (fst > grade.size()) { //daca avem un grad mai mare decat numarul de noduri ramase | ~~~~^~~~~~~~~~~~~~ main.cpp:255:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 255 | if(j >= grade.size()) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::tarjanDFS(int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<bool>&, std::vector<std::vector<int> >&)': main.cpp:275:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 275 | for (int i = 1; i < lisAdiacenta[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::CTC(std::ostream&)': main.cpp:311:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 311 | for (int i = 0; i < rez.size(); ++i) { | ~~^~~~~~~~~~~~ main.cpp:312:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 312 | for (int j = 0; j < rez[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~