Compilare: user.cpp: In function ‘void dfsC(int)’: user.cpp:76:31: warning: variable ‘fiu2’ set but not used [-Wunused-but-set-variable] int mx1=0, mx2=0, fiu1=0, fiu2=0; ^ user.cpp: In function ‘void dfsD(int)’: user.cpp:112:46: warning: variable ‘fiu3’ set but not used [-Wunused-but-set-variable] int mx1=0, mx2=0, mx3=0, fiu1=0, fiu2=0, fiu3=0, arb1=0, arb2=0, mx1arb=0, mx2arb=0; ^ user.cpp:112:62: warning: variable ‘arb2’ set but not used [-Wunused-but-set-variable] int mx1=0, mx2=0, mx3=0, fiu1=0, fiu2=0, fiu3=0, arb1=0, arb2=0, mx1arb=0, mx2arb=0; ^