Eroare de compilare: user.cpp: In function 'void peuler(long int, long int)': user.cpp:27: error: 'dim' was not declared in this scope user.cpp: In function 'int main()': user.cpp:57: error: 'a' was not declared in this scope user.cpp:57: error: 'b' was not declared in this scope user.cpp:58: error: 'ans' was not declared in this scope user.cpp:59: error: 'i' was not declared in this scope user.cpp:61: error: 'll' was not declared in this scope