Compilare: user.cpp: In function ‘void parcurgere()’: user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void printare()’: user.cpp:86: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:98: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:100: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result