View Compilation Error

0_0_21872631_30647.cpp: In function 'void solve()':
0_0_21872631_30647.cpp:94:32: error: request for member 'begin' in 'primes', which is of non-class type 'int [27615]'
   int idx = lower_bound(primes.begin(), primes.end(), (int)K) - primes.begin();
                                ^
0_0_21872631_30647.cpp:94:48: error: request for member 'end' in 'primes', which is of non-class type 'int [27615]'
   int idx = lower_bound(primes.begin(), primes.end(), (int)K) - primes.begin();
                                                ^
0_0_21872631_30647.cpp:94:72: error: request for member 'begin' in 'primes', which is of non-class type 'int [27615]'
   int idx = lower_bound(primes.begin(), primes.end(), (int)K) - primes.begin();
                                                                        ^