Compilare: user.cpp: In function ‘int dinic(int, int, int)’: user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define SZ(x) x.size() ^ user.cpp:63:32: note: in expansion of macro ‘SZ’ for(int i = 0 ; i< SZ(adj[node]);i++) ^ user.cpp: In function ‘int fordFulk(int, int, int)’: user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define SZ(x) x.size() ^ user.cpp:147:32: note: in expansion of macro ‘SZ’ for(int i = 0 ; i< SZ(adj[node]);i++) ^ user.cpp: In function ‘int addEdge(int, int, int)’: user.cpp:167:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^