結果
| 問題 | No.102 トランプを奪え | 
| コンテスト | |
| ユーザー |  gew1fw | 
| 提出日時 | 2025-06-12 13:49:42 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                TLE
                                 
                             | 
| 実行時間 | - | 
| コード長 | 2,654 bytes | 
| コンパイル時間 | 193 ms | 
| コンパイル使用メモリ | 82,560 KB | 
| 実行使用メモリ | 150,952 KB | 
| 最終ジャッジ日時 | 2025-06-12 13:50:05 | 
| 合計ジャッジ時間 | 11,901 ms | 
| ジャッジサーバーID (参考情報) | judge1 / judge2 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 6 TLE * 1 -- * 1 | 
ソースコード
from functools import lru_cache
def main():
    import sys
    N = list(map(int, sys.stdin.readline().split()))
    S = sum(N)
    N_tuple = tuple(N)
    @lru_cache(maxsize=None)
    def play(piles, taro_hand, turn):
        sum_piles = sum(piles)
        jiro_hand = S - taro_hand - sum_piles
        if sum_piles == 0:
            if taro_hand > jiro_hand:
                return 1  # Taro wins
            elif taro_hand < jiro_hand:
                return -1  # Jiro wins
            else:
                return 0  # Draw
        if turn:
            # Taro's turn; he wants to maximize the outcome
            max_score = -2  # worst case
            for i in range(4):
                for k in range(1, 4):
                    if piles[i] >= k:
                        new_piles = list(piles)
                        new_piles[i] -= k
                        new_piles = tuple(new_piles)
                        new_taro = taro_hand + k
                        new_jiro = jiro_hand
                        # Check if this move empties the pile
                        if new_piles[i] == 0:
                            stolen = (new_jiro + 1) // 2
                            new_taro += stolen
                            new_jiro -= stolen
                        # Recurse
                        score = play(new_piles, new_taro, False)
                        if score > max_score:
                            max_score = score
            return max_score if max_score != -2 else 0
        else:
            # Jiro's turn; he wants to minimize the outcome
            min_score = 2  # worst case
            for i in range(4):
                for k in range(1, 4):
                    if piles[i] >= k:
                        new_piles = list(piles)
                        new_piles[i] -= k
                        new_piles = tuple(new_piles)
                        new_jiro = jiro_hand + k
                        new_taro = taro_hand
                        # Check if this move empties the pile
                        if new_piles[i] == 0:
                            stolen = (new_taro + 1) // 2
                            new_jiro += stolen
                            new_taro -= stolen
                        # Recurse
                        score = play(new_piles, new_taro, True)
                        if score < min_score:
                            min_score = score
            return min_score if min_score != 2 else 0
    result = play(N_tuple, 0, True)
    if result > 0:
        print("Taro")
    elif result < 0:
        print("Jiro")
    else:
        print("Draw")
if __name__ == "__main__":
    main()
            
            
            
        