Compilare: user.cpp: In function ‘int main()’: user.cpp:113:17: warning: unused variable ‘sol2’ [-Wunused-variable] int sol2=sol; ^ user.cpp:20:13: warning: unused variable ‘last’ [-Wunused-variable] int last=1, okx=0, snr1=0, sx1=0, nr=0, ord=1, poz=0,snr2=0,sx2=0; ^ user.cpp:20:21: warning: unused variable ‘okx’ [-Wunused-variable] int last=1, okx=0, snr1=0, sx1=0, nr=0, ord=1, poz=0,snr2=0,sx2=0; ^