Compilare: user.cpp: In function ‘int make_mask(int)’: user.cpp:28:9: warning: unused variable ‘mask’ [-Wunused-variable] int mask = 0, minim = 10; ^ user.cpp: In function ‘int main()’: user.cpp:78:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%d %d %d", &N, &B, &K ); ^ user.cpp:90:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%d", &X ); ^