Compilare: main.cpp: In member function 'void weightedGraph::setEdgeCost(int, int, int)': main.cpp:55:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if(i <= m_costMatrix.size()){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | if(j <= m_costMatrix[i].size()){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~