Borderou de evaluare (job #323559)

Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type user.cpp:4:1: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:10:2: error: ‘fin’ was not declared in this scope user.cpp:12:3: error: ‘a’ was not declared in this scope user.cpp:17:7: error: ‘a’ was not declared in this scope user.cpp:22:7: error: ‘a’ was not declared in this scope user.cpp:26:7: error: ‘a’ was not declared in this scope user.cpp:30:7: error: ‘a’ was not declared in this scope user.cpp:34:7: error: ‘a’ was not declared in this scope user.cpp:38:7: error: ‘a’ was not declared in this scope user.cpp:42:7: error: ‘a’ was not declared in this scope user.cpp:46:7: error: ‘a’ was not declared in this scope user.cpp:50:7: error: ‘a’ was not declared in this scope user.cpp:55:2: error: ‘fout’ was not declared in this scope user.cpp:9:50: warning: unused variable ‘z’ [-Wunused-variable]