Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, const Graf&)': main.cpp:112:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for (int j = 1; j < grafDat.lisAdiacenta[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BFS(int)': main.cpp:159:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:149:12: warning: unused variable 'y' [-Wunused-variable] 149 | int x, y; | ^ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&, std::stack<int>&)': main.cpp:183:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | 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:226:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 226 | for (int i = 0; i < grade.size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp:244:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 244 | if (fst > grade.size()) { //daca avem un grad mai mare decat numarul de noduri ramase | ~~~~^~~~~~~~~~~~~~ main.cpp:258:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 258 | if(j >= grade.size()) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::ctcDFS(int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<bool>&, std::vector<std::vector<int> >&)': main.cpp:278:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 278 | for (int i = 1; i < lisAdiacenta[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::CTC(std::ostream&)': main.cpp:315:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 315 | for (int i = 0; i < rez.size(); ++i) { | ~~^~~~~~~~~~~~ main.cpp:316:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 316 | for (int j = 0; j < rez[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::critConDFS(int, std::vector<bool>&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::ostream&)': main.cpp:330:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 330 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::biconexeDFS(int, std::vector<int>&, std::vector<int>&, std::stack<std::pair<int, int> >&, std::vector<int>&, int&)': main.cpp:364:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 364 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~