Borderou de evaluare (job #68225)

Compilare: user.cpp: In function ‘int main()’: user.cpp:49:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:8:18: warning: variable ‘c’ set but not used [-Wunused-but-set-variable] user.cpp:11:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:23: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]