Compilare: main.cpp: In member function 'int Graph::dykstra(int, int, int, int)': main.cpp:151:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 151 | for(int i = 0 ; i < this->adjacency[current].size() ; i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::zeroOneBFS(int)': main.cpp:183:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for(int i = 0 ; i < this->adjacency[current].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::rusuoaica()': main.cpp:334:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 334 | for(int i = 0 ; i < newEdgeList.size() ; i++){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Solution::findCheapestPrice(int, std::vector<std::vector<int> >&, int, int, int)': main.cpp:363:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 363 | for(int i = 0; i < flights.size() ; i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Solution::dragoni1(std::ifstream&, int, int*)': main.cpp:382:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 382 | for(int i = 1 ; i < costs.size() ; i++){ | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::dragoni()': main.cpp:408:8: warning: 'result' may be used uninitialized [-Wmaybe-uninitialized] 408 | g<<result; | ^~~~~~ main.cpp:393:18: note: 'result' was declared here 393 | int oneOrTwo,result; | ^~~~~~