Eroare de compilare: user.cpp: In function ‘char* expand(char*)’: user.cpp:23: error: ‘atoi’ was not declared in this scope user.cpp: In function ‘void lgtoa(long long int, char*)’: user.cpp:39: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘long long int ValCelula(char*)’: user.cpp:56: error: ‘atol’ was not declared in this scope user.cpp: In function ‘int rezolva()’: user.cpp:80: error: ‘atoll’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:106: error: ‘atoll’ was not declared in this scope