結果

問題 No.134 走れ！サブロー君
ユーザー ckawatak
提出日時 2018-12-12 09:04:28
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 403 ms / 5,000 ms
コード長 1,127 bytes
コンパイル時間 209 ms
コンパイル使用メモリ 81,852 KB
実行使用メモリ 79,616 KB
最終ジャッジ日時 2024-09-25 03:30:34
合計ジャッジ時間 2,837 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
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ファイルパターン 結果
other AC * 15
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ソースコード

diff #
プレゼンテーションモードにする

X,Y = list(map(int, input().split(' ')))
N = int(input())
weights = [0]
customers = [(X,Y,0)]
for _ in range(N):
    x,y,weight = tuple(map(float, input().split(' ')))
    weights.append(weight)
    customers.append((x,y))
N = N + 1
W = sum(weights)
    
distances = []
for i in range(N):
    row = []
    for j in range(N):
        distance = abs(customers[i][0] - abs(customers[j][0])) + \
            abs(customers[i][1] - abs(customers[j][1]))
        row.append(distance)
    distances.append(row)
def time_to_take(weight):
    return (weight + 100) / 120
def weight(S, weights):
    weight = W
    i = 0
    while 0 < S:
        if S & 1 == 1:
            weight = weight - weights[i]
        S = S >> 1
        i = i + 1
    return weight
dp = []
for i in range(1 << N):
    dp.append([float('inf') for _ in range(N)])
dp[(1 << N) - 1][0] = 0
for S in reversed(range(0, (1 << N) - 1)):
    for v in range(N):
        for u in range(N):
            if not (S >> u & 1):
                dp[S][v] = min(dp[S][v], dp[S | 1 << u][u] + distances[v][u] * time_to_take(weight(S, weights)) + weights[u])
print(dp[0][0])
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