Borderou de evaluare (job #143279)

Compilare: user.cpp: In function ‘int main()’: user.cpp:10:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:12:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:15:18: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘long long int’ [-Wformat] user.cpp:8:17: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]