Compilare: main.cpp: In member function 'void Graph::preflow(int)': main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int i = 0; i < edge.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int overFlowVertex(std::vector<Vertex>&)': main.cpp:127:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Vertex>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for (int i = 1; i < ver.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::updateReverseEdgeFlow(int, int)': main.cpp:140:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for (int j = 0; j < edge.size(); j++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::push(int)': main.cpp:159:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for (int i = 0; i < edge.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graph::relabel(int)': main.cpp:205:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 205 | for (int i = 0; i < edge.size(); i++) | ~~^~~~~~~~~~~~~