Borderou de evaluare (job #143465)

Compilare: user.cpp: In function ‘int main()’: user.cpp:18:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:17: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘long long int nr(char)’: user.cpp:9:1: warning: control reaches end of non-void function [-Wreturn-type]