View Compilation Error

0_0_34027996_17415.cpp: In function 'int getprime()':
0_0_34027996_17415.cpp:23:22: error: 'maxn' was not declared in this scope
  for (int i = 2; i < maxn; i++) {
                      ^
0_0_34027996_17415.cpp: In function 'll getphi(ll, int)':
0_0_34027996_17415.cpp:84:38: error: 'maxn' was not declared in this scope
  if(x<=prime[s]*prime[s]*prime[s]&&x<maxn) {
                                      ^
0_0_34027996_17415.cpp: In function 'll getpi(ll)':
0_0_34027996_17415.cpp:94:7: error: 'maxn' was not declared in this scope
  if(x<maxn)return pi[x];
       ^
0_0_34027996_17415.cpp: In function 'll Lehmer_pi(ll)':
0_0_34027996_17415.cpp:102:7: error: 'maxn' was not declared in this scope
  if(x<maxn)return pi[x];
       ^