Compilare: main.cpp: In member function 'void graf::sortare_topologica()': main.cpp:123:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 123 | while(rezolvare.size()<n){ | ~~~~~~~~~~~~~~~~^~ main.cpp:124:45: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 124 | for(int i=1;i<=n && rezolvare.size()<n;i++){ | ~~~~~~~~~~~~~~~~^~ main.cpp: In member function 'void graf::ctc()': main.cpp:173:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(int j=0;j<vecini[i].size();j++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Componente_Biconexe()': main.cpp:224:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 224 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:225:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 225 | for(int j=0;j<solutie[i].size();j++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::DFS3(int, int*, bool*, std::stack<std::pair<int, int> >&, int*, int*, std::vector<std::vector<int> >&, int)': main.cpp:267:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 267 | for(int j=0;j<temporar_muchii[1].size();j++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Muchii_Critice()': main.cpp:300:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 300 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:302:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 302 | if(i!=solutie.size()-1){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Havel_Hakimi(std::vector<int>)': main.cpp:344:29: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 344 | if(grade[grade.size()-1]>grade.size()-1){ main.cpp:350:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 350 | if(cel_cel_mai_mare_grad>grade.size()){ | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::kruskall()': main.cpp:542:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 542 | for(int i=0;i<muchii.size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:551:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 551 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::dijkstra(int)': main.cpp:580:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 580 | for(int i=0;i<vecini[nod_curent].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::bellman_ford(int)': main.cpp:630:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 630 | for(int i=0;i<vecini[nod_curent].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~