romane.cpp: In function 'int main()': romane.cpp:11: warning: unused variable 'l' romane.cpp:11: warning: unused variable 'c' romane.cpp:11: warning: unused variable 'x' romane.cpp:11: warning: unused variable 'd' romane.cpp:11: warning: unused variable 'k' romane.cpp:11: warning: unused variable 'y' romane.cpp:11: warning: unused variable 'j' romane.cpp:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result