結果

問題 No.1951 消えたAGCT(2)
ユーザー 👑 H20H20
提出日時 2022-04-10 19:23:02
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,067 ms / 3,000 ms
コード長 4,708 bytes
コンパイル時間 638 ms
コンパイル使用メモリ 87,156 KB
実行使用メモリ 265,492 KB
最終ジャッジ日時 2023-09-09 03:31:00
合計ジャッジ時間 14,734 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge12
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 176 ms
80,892 KB
testcase_01 AC 174 ms
80,960 KB
testcase_02 AC 173 ms
80,972 KB
testcase_03 AC 172 ms
80,772 KB
testcase_04 AC 177 ms
80,992 KB
testcase_05 AC 176 ms
80,928 KB
testcase_06 AC 172 ms
80,816 KB
testcase_07 AC 174 ms
81,064 KB
testcase_08 AC 252 ms
114,612 KB
testcase_09 AC 242 ms
114,588 KB
testcase_10 AC 245 ms
114,720 KB
testcase_11 AC 247 ms
114,692 KB
testcase_12 AC 226 ms
104,132 KB
testcase_13 AC 250 ms
85,376 KB
testcase_14 AC 958 ms
227,652 KB
testcase_15 AC 812 ms
183,288 KB
testcase_16 AC 844 ms
190,612 KB
testcase_17 AC 1,004 ms
225,220 KB
testcase_18 AC 1,033 ms
236,816 KB
testcase_19 AC 1,067 ms
265,492 KB
testcase_20 AC 1,034 ms
240,120 KB
testcase_21 AC 248 ms
114,524 KB
testcase_22 AC 248 ms
114,704 KB
testcase_23 AC 249 ms
114,696 KB
testcase_24 AC 251 ms
114,904 KB
testcase_25 AC 250 ms
114,752 KB
testcase_26 AC 1,013 ms
220,068 KB
testcase_27 AC 999 ms
232,188 KB
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ソースコード

diff # 

import math
import re
from bisect import bisect_left, bisect_right
from typing import Generic, Iterable, Iterator, TypeVar, Union, List
T = TypeVar('T')

class SortedSet(Generic[T]):
    BUCKET_RATIO = 50
    REBUILD_RATIO = 170

    def _build(self, a=None) -> None:
        "Evenly divide `a` into buckets."
        if a is None: a = list(self)
        size = self.size = len(a)
        bucket_size = int(math.ceil(math.sqrt(size / self.BUCKET_RATIO)))
        self.a = [a[size * i // bucket_size : size * (i + 1) // bucket_size] for i in range(bucket_size)]
    
    def __init__(self, a: Iterable[T] = []) -> None:
        "Make a new SortedSet from iterable. / O(N) if sorted and unique / O(N log N)"
        a = list(a)
        if not all(a[i] < a[i + 1] for i in range(len(a) - 1)):
            a = sorted(set(a))
        self._build(a)

    def __iter__(self) -> Iterator[T]:
        for i in self.a:
            for j in i: yield j

    def __reversed__(self) -> Iterator[T]:
        for i in reversed(self.a):
            for j in reversed(i): yield j
    
    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 _find_bucket(self, x: T) -> List[T]:
        "Find the bucket which should contain x. self must not be empty."
        for a in self.a:
            if x <= a[-1]: return a
        return a

    def __contains__(self, x: T) -> bool:
        if self.size == 0: return False
        a = self._find_bucket(x)
        i = bisect_left(a, x)
        return i != len(a) and a[i] == x

    def add(self, x: T) -> bool:
        "Add an element and return True if added. / O(√N)"
        if self.size == 0:
            self.a = [[x]]
            self.size = 1
            return True
        a = self._find_bucket(x)
        i = bisect_left(a, 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.REBUILD_RATIO:
            self._build()
        return True

    def discard(self, x: T) -> bool:
        "Remove an element and return True if removed. / O(√N)"
        if self.size == 0: return False
        a = self._find_bucket(x)
        i = bisect_left(a, x)
        if i == len(a) or a[i] != x: return False
        a.pop(i)
        self.size -= 1
        if len(a) == 0: self._build()
        return True
    
    def lt(self, x: T) -> Union[T, 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: T) -> Union[T, 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: T) -> Union[T, 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: T) -> Union[T, 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, x: int) -> T:
        "Return the x-th element, or IndexError if it doesn't exist."
        if x < 0: x += self.size
        if x < 0: raise IndexError
        for a in self.a:
            if x < len(a): return a[x]
            x -= len(a)
        raise IndexError
    
    def index(self, x: T) -> 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: T) -> 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())
s = input()
if not(n==len(s) and re.match(r'^[A-Z]*$', s)!=None):
    exit()

s = list(s)
LEFT = [0]*26
EXISTS = SortedSet(list(range(n)))
import collections
CA = collections.Counter(s)

CHECK = []
for c in ['A','G','C','T']:
    CHECK.append(ord(c)-65)

while True:
    cnt = 0
    for check in CHECK:
        cnt+=CA[chr((check+26)%26+65)]
    if cnt==0:
        break
    i = EXISTS[cnt-1]
    CA[s[i]]-=1
    EXISTS.discard(i)
    r = CA[s[i]]
    for j in range(len(CHECK)):
        CHECK[j]=(CHECK[j]-r)%26
print(n-len(EXISTS))
0