結果
| 問題 | No.1294 マウンテン数列 | 
| コンテスト | |
| ユーザー |  gew1fw | 
| 提出日時 | 2025-06-12 18:56:50 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                TLE
                                 
                             | 
| 実行時間 | - | 
| コード長 | 1,169 bytes | 
| コンパイル時間 | 373 ms | 
| コンパイル使用メモリ | 82,176 KB | 
| 実行使用メモリ | 94,372 KB | 
| 最終ジャッジ日時 | 2025-06-12 18:56:55 | 
| 合計ジャッジ時間 | 4,084 ms | 
| ジャッジサーバーID (参考情報) | judge3 / judge5 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 5 TLE * 1 -- * 11 | 
ソースコード
MOD = 998244353
def main():
    import sys
    N, *rest = list(map(int, sys.stdin.read().split()))
    A = rest[:N]
    A.sort()
    max_val = A[-1]
    others = A[:-1]
    total = 0
    from itertools import combinations
    # Generate all subsets of others that can be part of S (including none)
    # S must include max_val (which is handled by the structure)
    # Iterate over all possible subsets of others to include in S (max_val is always included)
    for k in range(0, len(others)+1):
        for subset in combinations(others, k):
            S = list(subset) + [max_val]
            S_sorted = sorted(S)
            T = []
            for x in others:
                if x not in subset:
                    T.append(x)
            T_sorted = sorted(T, reverse=True)
            if not T_sorted:
                seq = S_sorted
            else:
                seq = S_sorted + T_sorted
            danger = 0
            for i in range(len(seq)-1):
                diff = abs(seq[i] - seq[i+1])
                if diff > danger:
                    danger = diff
            total += danger
    print(total % MOD)
if __name__ == "__main__":
    main()
            
            
            
        