結果
問題 |
No.1296 OR or NOR
|
ユーザー |
![]() |
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()