Compilare: main.cpp: In member function 'void Solutie::apm2()': main.cpp:150:35: 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] 150 | for (int i = 0; i < drumuri.size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::camionas()': main.cpp:187:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 187 | for (int i=0; i<adj[nodCurent].size(); i++) { | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::jzzhuAndCities()': main.cpp:241:31: 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] 241 | for (int i = 0; i < adj[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::findCheapestPrice()': main.cpp:305:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 305 | for (int i=0; i<adj[nod].size(); i++) { | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::oracol()': main.cpp:339:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 339 | for (int j=0; j<muchii.size(); j++) { | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::trilant()': main.cpp:396:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 396 | for (int i = 0; i < drumA.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:400:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 400 | for (int i = 0; i < drumB.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:404:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 404 | for (int i = 0; i < drumC.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void Solutie::dragoni()': main.cpp:513:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 513 | for (int i=0; i<adj[nod].size(); i++) { | ~^~~~~~~~~~~~~~~~ main.cpp:545:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 545 | for (int i=0; i<adj[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:364:77: required from here main.cpp:90:31: 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] 90 | for (int i = 0; i < adj[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~