Compilare: user.cpp:34: warning: integer constant is too large for ‘long’ type user.cpp: In function ‘int main()’: user.cpp:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:29: warning: ‘p1’ may be used uninitialized in this function user.cpp:29: warning: ‘p2’ may be used uninitialized in this function