Compilare: user.cpp: In function ‘int main()’: user.cpp:16:9: warning: unused variable ‘maxim’ [-Wunused-variable] int maxim,l; ^ user.cpp:16:15: warning: unused variable ‘l’ [-Wunused-variable] int maxim,l; ^ user.cpp:14:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^