func_code_string: #include <bits/stdc++.h>   using namespace std;   int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};   int ddx[8] = {1, 1, 0, -1, -1, -1, 0, 1}, ddy[8] = {0, 1, 1, 1, 0, -1, -1, -1};   void mad(long long &a, long long b) {     a = (a + b) % 1000000007;     if (a < 0) a += 1000000007;   }   long long gcd(long long a, long long b) {     if (a > b) swap(a, b);     if (!a) return b;     return gcd(b % a, a);   }   int dp[1 << 22];   void solve() {     int n;     cin >> n;     int a[n];     for (int i = 0; i < 1 << 22; i++) dp[i] = -1;     for (int i = 0; i < n; i++) {       cin >> a[i];       dp[a[i]] = i;     }     for (int i = 0; i < 1 << 22; i++) {       if (dp[i] == -1) continue;       for (int j = 0; j < 22; j++) {         if (!(i & (1 << j))) dp[i | (1 << j)] = dp[i];       }     }     for (int i = 0; i < n; i++) {       int id = dp[(1 << 22) - 1 - a[i]];       if (id == -1)         cout << -1 <<    ;       else         cout << a[id] <<    ;     }   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int t;     t = 1;     while (t--) {       solve();     }   }   