Compilare: user.cpp: In function ‘int main()’: user.cpp:33: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:36: warning: suggest parentheses around assignment used as truth value user.cpp:36: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result