Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:37:37: warning: variable ‘aux’ set but not used [-Wunused-but-set-variable] int ans=0, sum, aux,sol=-1; f>>sum; aux=sum; ^ user.cpp:37:41: warning: unused variable ‘sol’ [-Wunused-variable] int ans=0, sum, aux,sol=-1; f>>sum; aux=sum; ^ user.cpp:47:13: error: expected ‘}’ at end of input return 0; ^