結果
| 問題 | 
                            No.1150 シュークリームゲーム(Easy)
                             | 
                    
| コンテスト | |
| ユーザー | 
                             gew1fw
                         | 
                    
| 提出日時 | 2025-06-12 19:39:56 | 
| 言語 | PyPy3  (7.3.15)  | 
                    
| 結果 | 
                             
                                WA
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 1,901 bytes | 
| コンパイル時間 | 222 ms | 
| コンパイル使用メモリ | 82,292 KB | 
| 実行使用メモリ | 99,692 KB | 
| 最終ジャッジ日時 | 2025-06-12 19:40:15 | 
| 合計ジャッジ時間 | 5,704 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge5 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 2 | 
| other | AC * 16 WA * 27 | 
ソースコード
import heapq
def main():
    import sys
    input = sys.stdin.read().split()
    idx = 0
    N = int(input[idx])
    idx += 1
    s = int(input[idx])
    idx += 1
    t = int(input[idx])
    idx += 1
    A = list(map(int, input[idx:idx + N]))
    idx += N
    # Convert to 1-based
    prev = [0] * (N + 1)
    next_ = [0] * (N + 1)
    for i in range(1, N + 1):
        prev[i] = i - 1 if i > 1 else N
        next_[i] = i + 1 if i < N else 1
    taken = [False] * (N + 1)
    taken[s] = taken[t] = True
    X = A[s - 1]
    Y = A[t - 1]
    heap315 = []
    heap8128 = []
    # Initialize heaps for 315
    for a in [prev[s], next_[s]]:
        if a != t and not taken[a]:
            heapq.heappush(heap315, (-A[a - 1], a))
    # Initialize heaps for 8128
    for a in [prev[t], next_[t]]:
        if a != s and not taken[a]:
            heapq.heappush(heap8128, (-A[a - 1], a))
    turn = '315'
    while heap315 or heap8128:
        if turn == '315':
            if not heap315:
                turn = '8128'
                continue
            val, node = heapq.heappop(heap315)
            if taken[node]:
                continue
            X += (-val)
            taken[node] = True
            for neighbor in [prev[node], next_[node]]:
                if not taken[neighbor]:
                    heapq.heappush(heap315, (-A[neighbor - 1], neighbor))
            turn = '8128'
        else:
            if not heap8128:
                turn = '315'
                continue
            val, node = heapq.heappop(heap8128)
            if taken[node]:
                continue
            Y += (-val)
            taken[node] = True
            for neighbor in [prev[node], next_[node]]:
                if not taken[neighbor]:
                    heapq.heappush(heap8128, (-A[neighbor - 1], neighbor))
            turn = '315'
    print(X - Y)
if __name__ == '__main__':
    main()
            
            
            
        
            
gew1fw