Compilare: main.cpp: In constructor 'weightedGraph::weightedGraph(int, int, std::vector<std::vector<int> >&)': main.cpp:17:30: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 17 | if(costMatrix.size() != numberOfNodes + 1){ | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void weightedGraph::setEdgeCost(int, int, int)': main.cpp:52:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(i <= m_costMatrix.size()){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:53:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | if(j <= m_costMatrix[i].size()){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~