Borderou de evaluare (job #180551)

Compilare: user.cpp: In function ‘int main()’: user.cpp:18:66: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:21: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:5: warning: ‘n’ is used uninitialized in this function [-Wuninitialized] user.cpp:42:18: warning: ‘u’ may be used uninitialized in this function [-Wuninitialized]