Compilare: user.cpp: In function 'int capacitate(int, int)': user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int fluxul(int, int)': user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int bfs()': user.cpp:65: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void modif(int, int, int)': user.cpp:81: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int fluxul(int, int)': user.cpp:47: warning: control reaches end of non-void function user.cpp: In function 'int capacitate(int, int)': user.cpp:39: warning: control reaches end of non-void function