Eroare de compilare: user.cpp:65:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:5: error: 'ifstream' was not declared in this scope user.cpp:5: error: expected `;' before 'f' user.cpp:6: error: 'ofstream' was not declared in this scope user.cpp:6: error: expected `;' before 'g' user.cpp:7: error: 'f' was not declared in this scope user.cpp:10: error: 'strlen' was not declared in this scope user.cpp:11: error: 'strcpy' was not declared in this scope user.cpp:14: error: 'strlen' was not declared in this scope user.cpp:15: error: 'isalpha' was not declared in this scope user.cpp:20: error: 'isdigit' was not declared in this scope user.cpp:24: error: 'atoi' was not declared in this scope user.cpp:26: error: 'strcmp' was not declared in this scope user.cpp:27: error: 'strcpy' was not declared in this scope user.cpp:33: error: 'atoi' was not declared in this scope user.cpp:38: error: 'atoi' was not declared in this scope user.cpp:39: error: 'g' was not declared in this scope user.cpp:43: error: 'strcmp' was not declared in this scope user.cpp:45: error: 'strcpy' was not declared in this scope user.cpp:54: error: 'strcmp' was not declared in this scope user.cpp:56: error: 'strcpy' was not declared in this scope user.cpp:61: error: 'strcmp' was not declared in this scope