結果
| 問題 | No.3590 I Love Inversions |
| コンテスト | |
| ユーザー |
まぬお
|
| 提出日時 | 2026-07-17 21:28:13 |
| 言語 | PyPy3 (7.3.17) |
| 結果 |
AC
|
| 実行時間 | 2,169 ms / 5,000 ms |
| + 31µs | |
| コード長 | 5,665 bytes |
| 記録 | |
| コンパイル時間 | 707 ms |
| コンパイル使用メモリ | 96,236 KB |
| 実行使用メモリ | 101,836 KB |
| 平均クエリ数 | 12104.46 |
| 最終ジャッジ日時 | 2026-07-17 21:29:01 |
| 合計ジャッジ時間 | 29,916 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge2_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 43 |
ソースコード
from collections import deque, defaultdict, Counter
from bisect import bisect_left, bisect_right, insort
from itertools import permutations, combinations, groupby
from heapq import heappop, heappush
import math, sys
def printl(li, sep=" "): print(sep.join(map(str, li)))
def yn(flag): print(Yes if flag else No)
_int = lambda x: int(x)-1
MOD = 998244353 #10**9+7
INF = 1<<60
Yes, No = "Yes", "No"
# https://github.com/tatyam-prime/SortedSet/blob/main/SortedSet.py
import math
from bisect import bisect_left, bisect_right
from typing import Generic, Iterable, Iterator, TypeVar
Type = TypeVar('Type')
class SortedSet(Generic[Type]):
BUCKET_RATIO = 16
SPLIT_RATIO = 24
def __init__(self, _a: Iterable[Type] = []) -> None:
# Make a new SortedSet from iterable. / O(N) if sorted and unique / O(N log N)
a = _a[:]
a = list(a)
n = len(a)
if any(a[i] > a[i + 1] for i in range(n - 1)):
a.sort()
if any(a[i] >= a[i + 1] for i in range(n - 1)):
a, b = [], a
for x in b:
if not a or a[-1] != x:
a.append(x)
n = self.size = len(a)
num_bucket = int(math.ceil(math.sqrt(n / self.BUCKET_RATIO)))
self.a = [a[n * i // num_bucket : n * (i + 1) // num_bucket] for i in range(num_bucket)]
def __iter__(self) -> Iterator[Type]:
for i in self.a:
for j in i: yield j
def __reversed__(self) -> Iterator[Type]:
for i in reversed(self.a):
for j in reversed(i): yield j
def __eq__(self, other) -> bool:
return list(self) == list(other)
def __len__(self) -> int:
return self.size
def __repr__(self) -> str:
return 'SortedSet' + str(self.a)
def __str__(self) -> str:
s = str(list(self))
return '{' + s[1 : len(s) - 1] + '}'
def _position(self, x: Type) -> tuple[list[Type], int, int]:
# return the bucket, index of the bucket and position in which x should be. self must not be empty.
for i, a in enumerate(self.a):
if x <= a[-1]: break
return (a, i, bisect_left(a, x))
def __contains__(self, x: Type) -> bool:
if self.size == 0: return False
a, _, i = self._position(x)
return i != len(a) and a[i] == x
def add(self, x: Type) -> bool:
# Add an element and return True if added. / O(√N)
if self.size == 0:
self.a = [[x]]
self.size = 1
return True
a, b, i = self._position(x)
if i != len(a) and a[i] == x: return False
a.insert(i, x)
self.size += 1
if len(a) > len(self.a) * self.SPLIT_RATIO:
mid = len(a) >> 1
self.a[b:b+1] = [a[:mid], a[mid:]]
return True
def _pop(self, a: list[Type], b: int, i: int) -> Type:
ans = a.pop(i)
self.size -= 1
if not a: del self.a[b]
return ans
def discard(self, x: Type) -> bool:
# Remove an element and return True if removed. / O(√N)
if self.size == 0: return False
a, b, i = self._position(x)
if i == len(a) or a[i] != x: return False
self._pop(a, b, i)
return True
def lt(self, x: Type) -> Type | None:
# Find the largest element < x, or None if it doesn't exist.
for a in reversed(self.a):
if a[0] < x:
return a[bisect_left(a, x) - 1]
def le(self, x: Type) -> Type | None:
# Find the largest element <= x, or None if it doesn't exist.
for a in reversed(self.a):
if a[0] <= x:
return a[bisect_right(a, x) - 1]
def gt(self, x: Type) -> Type | None:
# Find the smallest element > x, or None if it doesn't exist.
for a in self.a:
if a[-1] > x:
return a[bisect_right(a, x)]
def ge(self, x: Type) -> Type | None:
# Find the smallest element >= x, or None if it doesn't exist.
for a in self.a:
if a[-1] >= x:
return a[bisect_left(a, x)]
def __getitem__(self, i: int) -> Type:
# Return the i-th element.
if i < 0:
for a in reversed(self.a):
i += len(a)
if i >= 0: return a[i]
else:
for a in self.a:
if i < len(a): return a[i]
i -= len(a)
raise IndexError
def pop(self, i: int = -1) -> Type:
# Pop and return the i-th element.
if i < 0:
for b, a in enumerate(reversed(self.a)):
i += len(a)
if i >= 0: return self._pop(a, ~b, i)
else:
for b, a in enumerate(self.a):
if i < len(a): return self._pop(a, b, i)
i -= len(a)
raise IndexError
def index(self, x: Type) -> int:
# Count the number of elements < x.
ans = 0
for a in self.a:
if a[-1] >= x:
return ans + bisect_left(a, x)
ans += len(a)
return ans
def index_right(self, x: Type) -> int:
# Count the number of elements <= x.
ans = 0
for a in self.a:
if a[-1] > x:
return ans + bisect_right(a, x)
ans += len(a)
return ans
N = int(input())
def ask(l, r):
print(f"? {l+1} {r}")
return int(input())
S = SortedSet([i+1 for i in range(N)])
bf = ask(0, N)
ans = []
for i in range(1, N):
a = ask(i, N)
d = bf-a
x = S.pop(d)
ans.append(x)
bf = a
ans.append(S.pop())
printl(["!"]+ans)
まぬお