func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long maxS = 2e5 + 5;   long long N, M;   long long A[201], B[201];   long long DP[201][515];   long long go(long long pos, long long prev) {     if (pos == N + 1) return 0;     if (DP[pos][prev] != -1) return DP[pos][prev];     long long ans = INT_MAX;     for (long long i = 1; i <= M; i++)       ans = min(ans,                 (prev | (A[pos] & B[i]) | go(pos + 1, (prev | (A[pos] & B[i])))));     return DP[pos][prev] = ans;   }   void code_idhr_h() {     cin >> N >> M;     for (long long i = 1; i <= N; i++) cin >> A[i];     for (long long i = 1; i <= M; i++) cin >> B[i];     memset(DP, -1, sizeof DP);     cout << go(1, 0) <<   n ;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     ;     long long T = 1;     for (long long t = 1; t <= T; t++) {       code_idhr_h();     }     return 0;   }   