Compilare: main.cpp: In member function 'bool Graph::isEulerian(std::vector<int>&)': main.cpp:878:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Graph::WeightedEdge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 878 | for (i = startIndex[currentNode]; i < weightedAdjacencyLists[currentNode].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:893:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Graph::WeightedEdge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 893 | if (i == weightedAdjacencyLists[currentNode].size()) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void countingSort(std::vector<int>&, int)': main.cpp:951:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 951 | for (int i = 0; i < toSort.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In instantiation of 'void printVector(std::ostream&, std::vector<_Tp>, int) [with T = int; std::ostream = std::basic_ostream<char>]': main.cpp:918:40: required from here main.cpp:972:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 972 | for (int i = startIndex; i < toPrint.size(); i++) | ~~^~~~~~~~~~~~~~~~