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()
qwewe