Borderou de evaluare (job #208935)

Compilare: user.cpp: In function ‘int main()’: user.cpp:10:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:31: warning: ‘b’ may be used uninitialized in this function [-Wuninitialized] user.cpp:30:31: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized]