結果

問題 No.1368 サイクルの中に眠る門松列
ユーザー GER_chen
提出日時 2021-01-29 21:40:26
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 1,054 bytes
コンパイル時間 146 ms
コンパイル使用メモリ 82,252 KB
実行使用メモリ 108,192 KB
最終ジャッジ日時 2024-06-27 07:52:03
合計ジャッジ時間 2,950 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 10 WA * 5
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys;input = lambda: sys.stdin.readline().rstrip()
#import heapq
#from collections import deque
#import numpy as np
#from collections import Counter as cnt
#from collections import defaultdict as ddc
#from math import factorial as fct
#from math import gcd
#from bisect import bisect_left as bsl
#from bisect import bisect_right as bsr
#from itertools import accumulate as acc
#from itertools import combinations as cmb
#from itertools import permutations as pmt
#from itertools import product as prd
#from functools import reduce as red
#import sys
#sys.setrecursionlimit(10**9) #使(1000)
for _ in range(int(input())):
n = int(input())
A = list(map(int,input().split()))
A += A[:2]
K = [0]*n
for i in range(n):
S = A[i:i+3]
if len(set(S)) == 3 and S[1] in {min(S), max(S)}:
K[i] = S[0]
DP = [0]*n
DP[0] = K[0]
DP[1] = max(K[:2])
DP[2] = max(K[:3])
for i in range(3, n):
DP[i] = max(DP[i-1], DP[i-2], DP[i-3]+K[i])
print(DP[-1])
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