Borderou de evaluare (job #530340)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:15: warning: variable ‘i’ set but not used [-Wunused-but-set-variable] user.cpp:9:42: warning: variable ‘nr’ set but not used [-Wunused-but-set-variable] user.cpp:9:46: warning: unused variable ‘r’ [-Wunused-variable] user.cpp:10:55: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]