ratina.cpp: In function 'int main()': ratina.cpp:33: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[2002]' ratina.cpp:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ratina.cpp:28: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ratina.cpp:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ratina.cpp:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ratina.cpp:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ratina.cpp:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ratina.cpp: In function 'void addWord(Trie*, char*)': ratina.cpp:60: warning: NULL used in arithmetic