Compilare: user.cpp: In function ‘void Complete_Trie()’: user.cpp:71:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<node->List.size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:80:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%s %d",String,&N); ^ user.cpp:85:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%s",word); ^