Compilare: user.cpp: In function ‘int main()’: user.cpp:20:16: warning: variable ‘size’ set but not used [-Wunused-but-set-variable] int s=0,ct,size; ^ user.cpp:21:10: warning: variable ‘as’ set but not used [-Wunused-but-set-variable] bool as=0; ^ user.cpp:22:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&k); ^ user.cpp:25:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&n); ^