結果
| 問題 | No.1296 OR or NOR | 
| コンテスト | |
| ユーザー |  qwewe | 
| 提出日時 | 2025-05-14 13:24:14 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                MLE
                                 
                             | 
| 実行時間 | - | 
| コード長 | 1,443 bytes | 
| コンパイル時間 | 153 ms | 
| コンパイル使用メモリ | 82,592 KB | 
| 実行使用メモリ | 641,864 KB | 
| 最終ジャッジ日時 | 2025-05-14 13:25:44 | 
| 合計ジャッジ時間 | 8,171 ms | 
| ジャッジサーバーID (参考情報) | judge5 / judge3 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 2 | 
| other | AC * 2 MLE * 1 -- * 30 | 
ソースコード
import sys
def main():
    N = int(sys.stdin.readline())
    A_values = list(map(int, sys.stdin.readline().split()))
    Q_count = int(sys.stdin.readline())
    B_queries = list(map(int, sys.stdin.readline().split()))
    ALL_ONES = (1 << 60) - 1
    # dp stores: value -> min_op2_count
    # Initialize with x=0, 0 op2s used
    dp = {0: 0}
    for i in range(N):
        a_i = A_values[i]
        new_dp = {} 
        
        # Iterate over states reachable in the previous step
        for x_prev, k_prev in dp.items():
            # Operation 1: x = x_prev OR a_i
            x_op1 = x_prev | a_i
            k_op1 = k_prev
            
            # If x_op1 is new or we found a path with fewer op2s
            if x_op1 not in new_dp or k_op1 < new_dp[x_op1]:
                new_dp[x_op1] = k_op1
            # Operation 2: x = NOT (x_prev OR a_i)
            intermediate_or_val = x_prev | a_i
            x_op2 = ALL_ONES ^ intermediate_or_val # Bitwise NOT over 60 bits
            k_op2 = k_prev + 1
            
            # If x_op2 is new or we found a path with fewer op2s
            if x_op2 not in new_dp or k_op2 < new_dp[x_op2]:
                new_dp[x_op2] = k_op2
        
        dp = new_dp # Update dp table for the current step
    results = []
    for b_q in B_queries:
        results.append(str(dp.get(b_q, -1)))
    
    sys.stdout.write("\n".join(results) + "\n")
if __name__ == '__main__':
    main()
            
            
            
        