Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp: In function ‘void adauga(char*)’: user.cpp:17: warning: comparison between signed and unsigned integer expressions user.cpp:15: warning: unused variable ‘p’ user.cpp: In function ‘void sterge(char*)’: user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int nr_aparitii(char*)’: user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int prefix(char*)’: user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:72: error: ‘ifstream’ was not declared in this scope user.cpp:72: error: expected ‘;’ before ‘f’ user.cpp:73: error: ‘ofstream’ was not declared in this scope user.cpp:73: error: expected ‘;’ before ‘g’ user.cpp:74: error: ‘f’ was not declared in this scope user.cpp:79: error: ‘g’ was not declared in this scope user.cpp:80: error: ‘g’ was not declared in this scope user.cpp:82: error: ‘f’ was not declared in this scope user.cpp:83: error: ‘g’ was not declared in this scope