結果
| 問題 |
No.2844 Birthday Party Decoration
|
| コンテスト | |
| ユーザー |
shobonvip
|
| 提出日時 | 2024-08-23 22:14:25 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,473 bytes |
| コンパイル時間 | 178 ms |
| コンパイル使用メモリ | 82,580 KB |
| 実行使用メモリ | 70,468 KB |
| 最終ジャッジ日時 | 2024-08-23 22:14:26 |
| 合計ジャッジ時間 | 869 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | RE * 4 |
ソースコード
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" not in file.mode
self.write = self.buffer.write if self.writable else None
def read(self):
while True:
b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
if not b:
break
ptr = self.buffer.tell()
self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
self.newlines = 0
return self.buffer.read()
def readline(self):
while self.newlines == 0:
b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
self.newlines = b.count(b"\n")+(not b)
ptr = self.buffer.tell()
self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
self.newlines -= 1
return self.buffer.readline()
def flush(self):
if self.writable:
os.write(self._fd, self.buffer.getvalue())
self.buffer.truncate(0), self.buffer.seek(0)
class IOWrapper(IOBase):
def __init__(self, file):
self.buffer = FastIO(file)
self.flush = self.buffer.flush
self.writable = self.buffer.writable
self.write = lambda s:self.buffer.write(s.encode("ascii"))
self.read = lambda:self.buffer.read().decode("ascii")
self.readline = lambda:self.buffer.readline().decode("ascii")
sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
input = lambda:sys.stdin.readline().rstrip("\r\n")
def solve():
n,x=map(int,input().split())
c=list(map(int,input().split()))
d = []
for i in range(n):
if x & (1 << c[i]) == 0:
d.append(c[i])
n = len(d)
if n == 0:
print(0)
return
lft=[-1]*n
rgt=[-1]*n
event = []
now=[0]*n
for i in range(n):
assert (x & (1 << c[i])) == 0
rgt[i] = x | (1 << c[i])
for j in range(c[i]):
if rgt[i] >> j & 1:
rgt[i] ^= 1 << j
assert (rgt[i] & (1<<c[i])) > 0
lft[i] = x
for j in range(c[i]):
if lft[i] >> j & 1:
lft[i] ^= 1 << j
lft[i] -= 1
if lft[i] < 0:
lft[i] = -1
if lft[i] >= 0:
event.append((lft[i],i))
now[i] = lft[i]
else:
now[i] = rgt[i]
#print(lft,rgt)
ans = 2*(max(rgt)-x)
if min(lft) >= 0:
ans = min(ans, 2*(x-min(lft)))
ans = min(ans, 2*abs(max(now) - x) + 2*abs(min(now) - x))
event.sort()
for i,j in event:
now[j] = rgt[j]
#print(now)
ans = min(ans, 2*abs(max(now) - x) + 2*abs(min(now) - x))
print(ans)
t=int(input())
for _ in range(t):
solve()
shobonvip