Compilare: user.cpp: In function ‘int ultima(int)’: user.cpp:10:9: warning: unused variable ‘j’ [-Wunused-variable] int j,aux=nr,cif=0,u,p,rest; ^ user.cpp:10:11: warning: unused variable ‘aux’ [-Wunused-variable] int j,aux=nr,cif=0,u,p,rest; ^ user.cpp:10:18: warning: unused variable ‘cif’ [-Wunused-variable] int j,aux=nr,cif=0,u,p,rest; ^ user.cpp: In function ‘int suma(int)’: user.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:40:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:43:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^