Compilare: user.cpp:14: warning: ‘typedef’ was ignored in this declaration user.cpp: In function ‘void search(long long int, int)’: user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void add(int, int, int)’: user.cpp:45: warning: unused variable ‘P’ user.cpp: In function ‘int main()’: user.cpp:145: warning: comparison between signed and unsigned integer expressions user.cpp:69: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:70: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp:78: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp:109: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result