#819319 (Python3) No.832 麻雀修行中

• 問題: No.832 麻雀修行中
• ユーザー: Theta
• 提出日時: 2022-11-25 15:35:38
• 言語: Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1)
• 結果: AC
• 実行時間: 63 ms / 2,000 ms
• コード長: 4,571 bytes
• コンパイル時間: 105 ms
• コンパイル使用メモリ: 13,056 KB
• 実行使用メモリ: 11,264 KB
• 最終ジャッジ日時: 2024-10-01 23:00:08
• 合計ジャッジ時間: 3,069 ms
• ジャッジサーバーID （参考情報）: judge4 / judge5

ファイルパターン	結果
sample	AC * 6
other	AC * 25

ソースコード

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from collections import Counter
def remove_sequence(hand: list[int], start: int) -> list[int]:
    hand_picked = hand.copy()
    hand_picked.remove(start)
    hand_picked.remove(start+1)
    hand_picked.remove(start+2)
    return hand_picked
def remove_head(hand: list[int], head_num: int) -> list[int]:
    hand_picked = hand.copy()
    for _ in range(2):
        hand_picked.remove(head_num)
    return hand_picked
def remove_anko(hand: list[int], anko_num: int) -> list[int]:
    hand_picked = hand.copy()
    for _ in range(3):
        hand_picked.remove(anko_num)
    return hand_picked
def is_agari(hand: list[int], head: int = 1, ments: int = 4) -> bool:
    hand.sort()
    assert head >= 0
    assert ments >= 0
    assert len(hand) == head * 2 + ments * 3
    hand_count = Counter(hand)
    if head == 1 and ments == 0:
        return len(hand_count) == 1
    if head == 0 and ments == 1:
        if hand[2]-hand[1] == 1 and hand[1]-hand[0] == 1:
            return True
        if len(hand_count) == 1:
            return True
        return False
    if len(hand) == 14:
        if len(hand_count) == 7 and len(set(hand_count.values())) == 1:
            return True
    hand.sort()
    for num in range(1, 10):
        match hand_count[num]:
            case 0:
                continue
            case 1:
                if ments == 0:
                    continue
                try:
                    hand_picked = remove_sequence(hand, num)
                except ValueError:
                    continue
                if is_agari(hand_picked, head=head, ments=ments-1):
                    return True
            case 2:
                if ments > 0:
                    try:
                        hand_picked = remove_sequence(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head, ments=ments-1):
                            return True
                if head > 0:
                    try:
                        hand_picked = remove_head(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head-1, ments=ments):
                            return True
            case 3:
                if ments > 0:
                    try:
                        hand_picked = remove_sequence(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head, ments=ments-1):
                            return True
                    try:
                        hand_picked = remove_anko(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head, ments=ments-1):
                            return True
                if head > 0:
                    try:
                        hand_picked = remove_head(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head-1, ments=ments):
                            return True
            case 4:
                if ments > 0:
                    try:
                        hand_picked = remove_sequence(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head, ments=ments-1):
                            return True
                    try:
                        hand_picked = remove_anko(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head, ments=ments-1):
                            return True
                if head > 0:
                    try:
                        hand_picked = remove_head(hand, num)
                    except ValueError:
                        pass
                    else:
                        if is_agari(hand_picked, head=head-1, ments=ments):
                            return True
    return False
def main():
    hand = list(map(int, list(input())))
    for num in range(1, 10):
        if hand.count(num) == 4:
            continue
        tumo = hand.copy()
        tumo.append(num)
        if is_agari(tumo):
            print(num)
if __name__ == "__main__":
    main()
 
 
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