結果
問題 |
No.653 E869120 and Lucky Numbers
|
ユーザー |
![]() |
提出日時 | 2025-03-31 17:59:03 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,136 bytes |
コンパイル時間 | 313 ms |
コンパイル使用メモリ | 82,412 KB |
実行使用メモリ | 76,784 KB |
最終ジャッジ日時 | 2025-03-31 17:59:47 |
合計ジャッジ時間 | 2,787 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 25 WA * 6 |
ソースコード
p = input().strip() reversed_p = p[::-1] # Process from least significant digit # DP states are tuples (carry_in, a_has_non_zero, b_has_non_zero) current_states = {(0, False, False)} for digit in reversed_p: current_digit = int(digit) new_states = set() for (carry_in, a_used, b_used) in current_states: for a in [0, 6, 7]: for b in [0, 6, 7]: # Update whether a and b have non-zero digits new_a_used = a_used or (a in (6, 7)) new_b_used = b_used or (b in (6, 7)) sum_total = a + b + carry_in if sum_total % 10 == current_digit: carry_out = sum_total // 10 new_state = (carry_out, new_a_used, new_b_used) new_states.add(new_state) current_states = new_states if not current_states: break # Early exit if no possible states # Check if any valid state exists with no carry and both having non-zero digits valid = any(carry == 0 and a_used and b_used for (carry, a_used, b_used) in current_states) print("Yes" if valid else "No")