結果

問題 No.1368 サイクルの中に眠る門松列
ユーザー flippergoflippergo
提出日時 2024-10-02 12:41:05
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 3,166 bytes
コンパイル時間 518 ms
コンパイル使用メモリ 82,560 KB
実行使用メモリ 111,360 KB
最終ジャッジ日時 2024-10-02 12:41:09
合計ジャッジ時間 4,276 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 * 9 WA * 6
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

T = int(input())
for _ in range(T):
N = int(input())
A = list(map(int,input().split()))
A = A+A
K0 = []
for i in range(N-3+1):
a,b,c = A[i:i+3]
if a!=b and b!=c and c!=a and (max(a,b,c)==b or min(a,b,c)==b):
K0.append(i)
M0 = len(K0)
dp0 = [0]*M0
flag0 = 0 in K0
if M0==0 or (not flag0):
dp0 = [0]
if M0>=1 and flag0:
dp0[0] = A[K0[0]]
if M0>=2 and flag0:
if K0[1]>=K0[0]+3:
dp0[1] = dp0[0]+A[K0[1]]
else:
dp0[1] = dp0[0]
if M0>=3 and flag0:
if K0[2]>=K0[1]+3:
dp0[2] = dp0[1]+A[K0[2]]
else:
dp0[2] = dp0[1]
if K0[2]>=K0[0]+3:
dp0[2] = max(dp0[2],dp0[0]+A[K0[2]])
if flag0:
for j in range(3,M0):
if K0[j]>=K0[j-1]+3:
dp0[j] = dp0[j-1]+A[K0[j]]
else:
dp0[j] = dp0[j-1]
if K0[j]>=K0[j-2]+3:
dp0[j] = max(dp0[j],dp0[j-2]+A[K0[j]])
else:
dp0[j] = max(dp0[j],dp0[j-3]+A[K0[j]])
K1 = []
for i in range(1,N-2+1):
a,b,c = A[i:i+3]
if a!=b and b!=c and c!=a and (max(a,b,c)==b or min(a,b,c)==b):
K1.append(i)
M1 = len(K1)
dp1 = [0]*M1
flag1 = 1 in K1
if M1==0 or (not flag1):
dp1 = [0]
if M1>=1 and flag1:
dp1[0] = A[K1[0]]
if M1>=2 and flag1:
if K1[1]>=K1[0]+3:
dp1[1] = dp1[0]+A[K1[1]]
else:
dp1[1] = dp1[0]
if M1>=3 and flag1:
if K1[2]>=K1[1]+3:
dp1[2] = dp1[1]+A[K1[2]]
else:
dp1[2] = dp1[1]
if K1[2]>=K1[0]+3:
dp1[2] = max(dp1[2],dp1[0]+A[K1[2]])
if flag1:
for j in range(3,M1):
if K1[j]>=K1[j-1]+3:
dp1[j] = dp1[j-1]+A[K1[j]]
else:
dp1[j] = dp1[j-1]
if K1[j]>=K1[j-2]+3:
dp1[j] = max(dp1[j],dp1[j-2]+A[K1[j]])
else:
dp1[j] = max(dp1[j],dp1[j-3]+A[K1[j]])
K2 = []
for i in range(2,N-1+1):
a,b,c = A[i:i+3]
if a!=b and b!=c and c!=a and (max(a,b,c)==b or min(a,b,c)==b):
K2.append(i)
M2 = len(K2)
dp2 = [0]*M2
flag2 = 2 in K2
if M2==0 or (not flag2):
dp2 = [0]
if M2>=1 and flag2:
dp2[0] = A[K2[0]]
if M2>=2 and flag2:
if K2[1]>=K2[0]+3:
dp2[1] = dp2[0]+A[K2[1]]
else:
dp2[1] = dp2[0]
if M2>=3 and flag2:
if K2[2]>=K2[1]+3:
dp2[2] = dp2[1]+A[K2[2]]
else:
dp2[2] = dp2[1]
if K2[2]>=K2[0]+3:
dp2[2] = max(dp2[2],dp2[0]+A[K2[2]])
if flag2:
for j in range(3,M2):
if K2[j]>=K2[j-1]+3:
dp2[j] = dp2[j-1]+A[K2[j]]
else:
dp2[j] = dp2[j-1]
if K2[j]>=K2[j-2]+3:
dp2[j] = max(dp2[j],dp2[j-2]+A[K2[j]])
else:
dp2[j] = max(dp2[j],dp2[j-3]+A[K2[j]])
print(max(dp0[-1],dp1[-1],dp2[-1]))
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