Borderou de evaluare (job #162701)

Compilare: user.cpp: In function ‘void add_word()’: user.cpp:12:29: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:16:38: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:27:34: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp: In function ‘void delete_word()’: user.cpp:39:30: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:43:38: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp: In function ‘int count_word()’: user.cpp:52:29: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp: In function ‘int maximum_prefix()’: user.cpp:67:29: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp: In function ‘int main()’: user.cpp:82:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:83:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘void add_word()’: user.cpp:32:46: warning: ‘auxiliar’ may be used uninitialized in this function [-Wuninitialized] /tmp/ccW2ghTp.o: In function `main': user.cpp:(.text.startup+0x58): warning: the `gets' function is dangerous and should not be used.