Compilare: user.cpp: In function ‘int main()’: user.cpp:35: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:10: warning: unused variable ‘di’ user.cpp:10: warning: unused variable ‘dj’ user.cpp:10: warning: unused variable ‘xnou’ user.cpp:10: warning: unused variable ‘ynou’ user.cpp:10: warning: unused variable ‘l’ user.cpp:10: warning: unused variable ‘c’ user.cpp:10: warning: unused variable ‘k’ user.cpp:10: warning: unused variable ‘x’ user.cpp:10: warning: unused variable ‘y’ user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result