View Compilation Error

0_0_33673364_15969.cpp:27:1: error: 'llt' does not name a type
 llt, n;
 ^
0_0_33673364_15969.cpp: In function 'int solve()':
0_0_33673364_15969.cpp:30:9: error: 'n' was not declared in this scope
  cin >> n;
         ^
0_0_33673364_15969.cpp:33:12: error: 't2' was not declared in this scope
  t1 /= gcd(t2, t1), t2 /= gcd(t2, t1);
            ^
0_0_33673364_15969.cpp: In function 'int main()':
0_0_33673364_15969.cpp:40:9: error: 't' was not declared in this scope
  cin >> t;
         ^