Compilare: user.cpp: In function ‘void ciclu(int)’: user.cpp:34:13: warning: unused variable ‘i’ [-Wunused-variable] int K=0,i,y,z; ^ user.cpp: In function ‘int next(int)’: user.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void eulerian()’: user.cpp:72:18: warning: ‘vf’ may be used uninitialized in this function [-Wmaybe-uninitialized] ciclu(vf); ^ user.cpp:73:22: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] inserare(poz); ^