Borderou de evaluare (job #421026)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:156:29: warning: ‘elem’ may be used uninitialized in this function [-Wuninitialized] user.cpp:59:25: warning: ‘d’ may be used uninitialized in this function [-Wuninitialized]