View Compilation Error

0_0_21696155_28876.cpp:36:52: error: expected ';' at end of member declaration
  int trie[maxn][maxm], S[maxn], T[maxn], rk[maxn], idx%2
                                                    ^
0_0_21696155_28876.cpp:36:55: error: expected unqualified-id before '%' token
  int trie[maxn][maxm], S[maxn], T[maxn], rk[maxn], idx%2
                                                       ^
0_0_21696155_28876.cpp:36:56: error: expected '}' at end of input
  int trie[maxn][maxm], S[maxn], T[maxn], rk[maxn], idx%2
                                                        ^
0_0_21696155_28876.cpp:36:56: error: expected unqualified-id at end of input