View Compilation Error

0_0_29807105_21547.cpp:18:10: error: expected initializer before 'MAXN'
 const ll MAXN = 5 * (ll)1e5 + 5;
          ^
0_0_29807105_21547.cpp:20:4: error: expected initializer before 'A'
 ll A[1010];
    ^
0_0_29807105_21547.cpp:21:4: error: expected initializer before 'gcd'
 ll gcd(ll x, ll y) {
    ^