Borderou de evaluare (job #61053)

Compilare: user.cpp: In function ‘int main()’: user.cpp:29:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:35:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:37:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:94:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:21:10: warning: variable ‘c’ set but not used [-Wunused-but-set-variable] user.cpp:25:90: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]