Compilare: main.cpp: In member function 'void Solutie::apm2()': main.cpp:144:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for (int i = 0; i < drumuri.size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::camionas()': main.cpp:180:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 180 | for (int i=0; i<graf.getListeAdj()[nodCurent].size(); i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::jzzhuAndCities()': main.cpp:234:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 234 | for (int i = 0; i < graf.getListeAdj()[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::findCheapestPrice()': main.cpp:297:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 297 | for (int i=0; i<graf.getListeAdj()[nod].size(); i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::oracol()': main.cpp:333:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 333 | for (int j=0; j<muchii.size(); j++) { | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::trilant()': main.cpp:390:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 390 | for (int i = 0; i < drumA.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:394:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 394 | for (int i = 0; i < drumB.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:398:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 398 | for (int i = 0; i < drumC.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::dragoni()': main.cpp:505:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 505 | for (int i=0; i<graf.getListeAdj()[nod].size(); i++) { | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In instantiation of 'std::vector<std::pair<T, int> > Graf<T>::dijkstra_cost_path(int) [with T = long long int]': main.cpp:358:77: required from here main.cpp:85:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int i = 0; i < adj[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~