結果

問題 No.510 二次漸化式
ユーザー mkawa2mkawa2
提出日時 2024-10-09 08:59:05
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 5,105 bytes
コンパイル時間 440 ms
コンパイル使用メモリ 81,920 KB
実行使用メモリ 246,144 KB
最終ジャッジ日時 2024-10-09 09:00:20
合計ジャッジ時間 72,622 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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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 81 ms
71,040 KB
testcase_01 AC 89 ms
72,576 KB
testcase_02 AC 1,382 ms
106,112 KB
testcase_03 AC 1,363 ms
106,496 KB
testcase_04 AC 1,401 ms
106,112 KB
testcase_05 AC 1,402 ms
107,520 KB
testcase_06 AC 1,923 ms
132,248 KB
testcase_07 AC 1,907 ms
131,572 KB
testcase_08 AC 1,973 ms
132,736 KB
testcase_09 AC 1,902 ms
132,744 KB
testcase_10 AC 775 ms
82,968 KB
testcase_11 AC 743 ms
82,744 KB
testcase_12 AC 698 ms
82,816 KB
testcase_13 AC 732 ms
83,308 KB
testcase_14 AC 703 ms
84,480 KB
testcase_15 AC 748 ms
83,600 KB
testcase_16 AC 1,911 ms
178,176 KB
testcase_17 AC 1,942 ms
177,920 KB
testcase_18 AC 1,962 ms
177,280 KB
testcase_19 AC 1,968 ms
178,688 KB
testcase_20 AC 1,987 ms
177,664 KB
testcase_21 AC 1,965 ms
178,432 KB
testcase_22 AC 1,989 ms
178,944 KB
testcase_23 TLE -
testcase_24 TLE -
testcase_25 TLE -
testcase_26 AC 2,996 ms
208,256 KB
testcase_27 TLE -
testcase_28 TLE -
testcase_29 TLE -
testcase_30 TLE -
testcase_31 AC 2,445 ms
244,992 KB
testcase_32 AC 2,486 ms
245,248 KB
testcase_33 AC 2,517 ms
246,144 KB
testcase_34 TLE -
testcase_35 AC 2,648 ms
150,784 KB
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 # 

import sys

# sys.setrecursionlimit(200005)
# sys.set_int_max_str_digits(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
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 = -1-(-1 << 31)
inf = -1-(-1 << 62)

md = 10**9+7
# md = 998244353

import typing

class SegTree:
    def __init__(self,
                 op: typing.Callable[[typing.Any, typing.Any], typing.Any],
                 e: typing.Any,
                 v: typing.Union[int, typing.List[typing.Any]]) -> None:
        self._op = op
        self._e = e

        if isinstance(v, int):
            v = [e]*v

        self._n = len(v)
        self._log = (self._n-1).bit_length()
        self._size = 1 << self._log
        self._d = [e]*(2*self._size)

        for i in range(self._n):
            self._d[self._size+i] = v[i]
        for i in range(self._size-1, 0, -1):
            self._update(i)

    def set(self, p: int, x: typing.Any) -> None:
        assert 0 <= p < self._n

        p += self._size
        self._d[p] = x
        for i in range(1, self._log+1):
            self._update(p >> i)

    def get(self, p: int) -> typing.Any:
        assert 0 <= p < self._n

        return self._d[p+self._size]

    def prod(self, left: int, right: int) -> typing.Any:
        assert 0 <= left <= right <= self._n
        sml = self._e
        smr = self._e
        left += self._size
        right += self._size

        while left < right:
            if left & 1:
                sml = self._op(sml, self._d[left])
                left += 1
            if right & 1:
                right -= 1
                smr = self._op(self._d[right], smr)
            left >>= 1
            right >>= 1

        return self._op(sml, smr)

    def all_prod(self) -> typing.Any:
        return self._d[1]

    def max_right(self, left: int,
                  f: typing.Callable[[typing.Any], bool]) -> int:
        assert 0 <= left <= self._n
        assert f(self._e)

        if left == self._n:
            return self._n

        left += self._size
        sm = self._e

        first = True
        while first or (left & -left) != left:
            first = False
            while left%2 == 0:
                left >>= 1
            if not f(self._op(sm, self._d[left])):
                while left < self._size:
                    left *= 2
                    if f(self._op(sm, self._d[left])):
                        sm = self._op(sm, self._d[left])
                        left += 1
                return left-self._size
            sm = self._op(sm, self._d[left])
            left += 1

        return self._n

    def min_left(self, right: int,
                 f: typing.Callable[[typing.Any], bool]) -> int:
        assert 0 <= right <= self._n
        assert f(self._e)

        if right == 0:
            return 0

        right += self._size
        sm = self._e

        first = True
        while first or (right & -right) != right:
            first = False
            right -= 1
            while right > 1 and right%2:
                right >>= 1
            if not f(self._op(self._d[right], sm)):
                while right < self._size:
                    right = 2*right+1
                    if f(self._op(self._d[right], sm)):
                        sm = self._op(self._d[right], sm)
                        right -= 1
                return right+1-self._size
            sm = self._op(self._d[right], sm)

        return 0

    def _update(self, k: int) -> None:
        self._d[k] = self._op(self._d[2*k], self._d[2*k+1])

def dot(aa, bb):
    h = len(aa)
    w = len(bb[0])
    res = [[0]*w for _ in range(h)]
    for i, row in enumerate(aa):
        for j, col in enumerate(zip(*bb)):
            v = 0
            # for a, b in zip(row, col): v += a*b
            for a, b in zip(row, col): v = (v+a*b)%md
            res[i][j] = v
    return res

e = [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]
m = [[1, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 1, 1, 1]]

n = II()
st = SegTree(dot, e, [m for _ in range(n)])
xx = [0]*n
yy = [0]*n
for _ in range(II()):
    q = SI().split()
    if q[0] == "x":
        i, v = q[1:]
        i = int(i)
        v = int(v)
        xx[i] = v
        st.set(i, [[1, 0, 0, 0], [0, yy[i], 2*yy[i], 0], [xx[i], 0, yy[i]**2%md, 0], [0, 1, 1, 1]])
    elif q[0] == "y":
        i, v = q[1:]
        i = int(i)
        v = int(v)
        yy[i] = v
        st.set(i, [[1, 0, 0, 0], [0, yy[i], 2*yy[i], 0], [xx[i], 0, yy[i]**2%md, 0], [0, 1, 1, 1]])
    else:
        i = int(q[1])
        print(sum(st.prod(0, i)[r][0] for r in range(4))%md)
0