Compilare: user.cpp: In function ‘int main()’: user.cpp:12:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x > max) ^ user.cpp:14:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x < min) ^ user.cpp:7:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:11:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^