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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     ios::sync_with_stdio(false);
  6.     cin.tie(nullptr);
  7.  
  8.     int T; cin >> T;
  9.     while (T--) {
  10.         int N; cin >> N;
  11.         vector<int> A(N);
  12.         int OR = 0;
  13.         for (int i = 0; i < N; i++) {
  14.             cin >> A[i];
  15.             OR |= A[i];
  16.         }
  17.  
  18.         int highestBit = 0;
  19.         for (int b = 30; b >= 0; b--)
  20.             if ((OR >> b) & 1) {
  21.                 highestBit = 1 << b;
  22.                 break;
  23.             }
  24.  
  25.         int cnt = 0;
  26.         for (int x : A)
  27.             if (x & highestBit) cnt++;
  28.  
  29.         if (cnt % 2 == 0)
  30.             cout << "Bob\n";
  31.         else {
  32.             if (cnt % 4 == 3 && (N - cnt) % 2 == 0)
  33.                 cout << "Bob\n";
  34.             else
  35.                 cout << "Alice\n";
  36.         }
  37.     }
  38. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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4
3
3 4 6
3
7 7 7
3
9 3 5
10
1 9 1 3 7 9 10 9 7 3
stdout
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Bob
Bob
Alice
Bob
https://ideone.com/JUse0x
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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