Compilare: main.cpp: In constructor 'Graf::Graf(int, int, const std::vector<int>*)': main.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int j=0; j<la[i].size(); j++){ | ~^~~~~~~~~~~~~ main.cpp: In constructor 'Graf::Graf(int, int, const std::vector<std::pair<int, int> >*)': main.cpp:75:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int j=0; j<lac[i].size(); j++){ | ~^~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BFS(int)': main.cpp:102:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int j=0; j<la[coada[i]].size(); j++){ | ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(int, int*, std::vector<int>*)': main.cpp:124:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for(int j=0; j<la[nod].size(); j++){ | ~^~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::Tarjan(int, int, int, int*, int*, int*, std::vector<std::vector<int> >&, std::stack<int>&)': main.cpp:181:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 181 | for(int j=0; j<la[nod].size(); j++){ | ~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::CTC()': main.cpp:229:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 229 | for(int l=0; l<conex[k].size(); l++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::Sortare_topologica()': main.cpp:244:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 244 | for(int j=0; j<la[i].size(); j++){ | ~^~~~~~~~~~~~~ main.cpp:265:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 265 | for(int j=0; j<la[nod].size(); j++){ | ~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::APM()': main.cpp:311:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 311 | for(int j=0; j<lac[v].size(); j++){ | ~^~~~~~~~~~~~~~ main.cpp:329:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 329 | for(int k=0; k<lac[top.y].size(); k++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:338:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 338 | for(int l=0; l<apm.size(); l++){ | ~^~~~~~~~~~~ main.cpp:288:25: warning: unused variable 'idx' [-Wunused-variable] 288 | int s=0,nrmuchii=0, idx=0; | ^~~ main.cpp: In member function 'std::vector<int> Graf::Dijkstra()': main.cpp:358:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 358 | for(int k=0; k<lac[nod].size(); k++){ | ~^~~~~~~~~~~~~~~~ main.cpp:346:9: warning: unused variable 'idx' [-Wunused-variable] 346 | int idx=0;