Borderou de evaluare (job #8728)

Compilare: user.cpp: In function ‘int main()’: user.cpp:4:15: warning: unused variable ‘r’ [-Wunused-variable] user.cpp:8:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:1: warning: ‘r1’ may be used uninitialized in this function [-Wuninitialized]