結果

問題 No.1369 交換門松列・竹
ユーザー mkawa2
提出日時 2021-11-12 03:05:46
言語 PyPy3
(7.3.15)
結果
RE  
実行時間 -
コード長 2,467 bytes
コンパイル時間 146 ms
コンパイル使用メモリ 82,272 KB
実行使用メモリ 81,820 KB
最終ジャッジ日時 2024-11-24 04:45:57
合計ジャッジ時間 3,682 ms
ジャッジサーバーID
(参考情報)
judge3 / judge4
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 * 29 RE * 4
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
# sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
# inf = 18446744073709551615
inf = 4294967295
md = 10**9+7
# md = 998244353
def iskado(abc):
a, b, c = abc
if a == b or b == c or c == a: return False
if a < b < c or a > b > c: return False
return True
def solve():
def ok(i, j, lr0):
res = True
aa[i], aa[j] = aa[j], aa[i]
s = max(0, min(i-2, lr0[0]))
t = min(n, max(i, lr0[1]-2))
for k in range(s, t):
if not iskado(aa[k:k+3]):
res = False
break
aa[i], aa[j] = aa[j], aa[i]
return res
n = II()
aa = LI()
lr = []
l = r = -1
for i in range(n-2):
if iskado(aa[i:i+3]):
if l != -1 and i >= r:
lr.append((l, r))
l = r = -1
else:
if l == -1: l, r = i, i+3
else: r = i+3
if r-l == 10: return False
if l != -1: lr.append((l, r))
if len(lr) > 2: return False
if len(lr) == 2:
for l, r in lr:
if r-l > 5: return False
for i in range(lr[0][0], lr[0][1]):
for j in range(lr[1][0], lr[1][1]):
if not ok(i, j, lr[0]): continue
if not ok(j, i, lr[1]): continue
return True
if len(lr) == 1:
l, r = lr[0]
if r-l > 5:
for i in range(lr[0][0], lr[0][1]):
for j in range(lr[0][0], i):
if not ok(i, j, lr[0]): continue
if not ok(j, i, lr[0]): continue
return True
else:
for i in range(lr[0][0], lr[0][1]):
for j in range(n):
if i == j: continue
if not ok(i, j, lr[0]): continue
if not ok(j, i, lr[0]): continue
return True
return False
for _ in range(II()):
print("Yes" if solve() else "No")
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