Compilare: main.cpp: In constructor 'graph::graph(int, int)': main.cpp:27:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int j=0;j<s.size();j++) | ~^~~~~~~~~ main.cpp: In member function 'int graph::maxFlow()': main.cpp:86:40: warning: value computed is not used [-Wunused-value] 86 | cap[current][next] - flux[current][next]; main.cpp: In member function 'void graph::afisare()': main.cpp:112:13: warning: unused variable 'aux' [-Wunused-variable] 112 | int aux = maxFlow(); | ^~~