結果

問題 No.900 aδδitivee
ユーザー tktk_snsntktk_snsn
提出日時 2023-02-01 20:12:11
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,022 ms / 2,000 ms
コード長 11,221 bytes
コンパイル時間 301 ms
コンパイル使用メモリ 87,028 KB
実行使用メモリ 131,760 KB
最終ジャッジ日時 2023-09-14 06:15:24
合計ジャッジ時間 26,460 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge11
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 221 ms
81,772 KB
testcase_01 AC 246 ms
81,964 KB
testcase_02 AC 261 ms
82,832 KB
testcase_03 AC 263 ms
82,060 KB
testcase_04 AC 255 ms
82,720 KB
testcase_05 AC 246 ms
82,548 KB
testcase_06 AC 243 ms
82,868 KB
testcase_07 AC 924 ms
123,948 KB
testcase_08 AC 894 ms
123,716 KB
testcase_09 AC 898 ms
122,356 KB
testcase_10 AC 933 ms
123,636 KB
testcase_11 AC 932 ms
124,088 KB
testcase_12 AC 943 ms
123,416 KB
testcase_13 AC 878 ms
123,668 KB
testcase_14 AC 1,008 ms
122,772 KB
testcase_15 AC 945 ms
123,976 KB
testcase_16 AC 1,022 ms
123,436 KB
testcase_17 AC 916 ms
123,996 KB
testcase_18 AC 915 ms
123,304 KB
testcase_19 AC 940 ms
123,512 KB
testcase_20 AC 867 ms
124,272 KB
testcase_21 AC 908 ms
124,588 KB
testcase_22 AC 783 ms
131,760 KB
testcase_23 AC 771 ms
131,636 KB
testcase_24 AC 790 ms
131,300 KB
testcase_25 AC 776 ms
131,172 KB
testcase_26 AC 786 ms
131,188 KB
testcase_27 AC 781 ms
131,288 KB
testcase_28 AC 784 ms
131,560 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
import os
import inspect
input = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 7)

if os.getenv("TKTKLOCAL", False):
    def debug(*arg, sep=" ", end="\n"):
        print(*arg, sep=sep, end=end, file=sys.stderr)

    def debug_indent(*arg, sep=" ", end="\n", indent="    "):
        frame = inspect.currentframe().f_back
        par_func = inspect.getframeinfo(frame).function
        if par_func == "<module>":
            debug(*arg, sep=sep, end=end)
            return

        frame_stack = inspect.stack()
        if len(frame_stack) > 30:
            return

        depth = sum(f.function == par_func for f in frame_stack)
        debug(indent * (depth - 1), end="")
        debug(*arg, sep=sep, end=end)
else:
    def debug(*arg, **kwarg):
        pass

    def debug_indent(*arg, **kwarg):
        pass


class SegTree(object):
    def __init__(self, N, op_data, u_data):
        self._n = N
        self.log = (N-1).bit_length()
        self.size = 1 << self.log

        self.op = op_data
        self.e = u_data

        self.data = [u_data] * (2 * self.size)
        self.len = [1] * (2 * self.size)

    def __repr__(self):
        res = [self.get(i) for i in range(self._n)]
        return " ".join(map(str, res))

    def _update(self, i):
        self.data[i] = self.op(self.data[i << 1], self.data[i << 1 | 1])

    def initialize(self, arr=None):
        """ segtreeをarrで初期化する。len(arr) == Nにすること """
        if arr:
            for i, a in enumerate(arr, self.size):
                self.data[i] = a
        for i in reversed(range(1, self.size)):
            self._update(i)
            self.len[i] = self.len[i << 1] + self.len[i << 1 | 1]

    def update(self, p, x):
        """ data[p] = x とする (0-indexed)"""
        p += self.size
        self.data[p] = x
        for i in range(1, self.log + 1):
            self._update(p >> i)

    def get(self, p):
        """ data[p]を返す """
        return self.data[p + self.size]

    def prod(self, l, r):
        """
        op_data(data[l], data[l+1], ..., data[r-1])を返す (0-indexed)
        """
        sml = self.e
        smr = self.e
        l += self.size
        r += self.size

        while l < r:
            if l & 1:
                sml = self.op(sml, self.data[l])
                l += 1
            if r & 1:
                r -= 1
                smr = self.op(self.data[r], smr)
            l >>= 1
            r >>= 1
        return self.op(sml, smr)

    def all_prod(self):
        """ op(data[0], data[1], ... data[N-1])を返す """
        return self.data[1]

    def max_right(self, l, func):
        """
        func(l, l+1, ..., r-1) = True,
        func(l, l+1, ..., r-1, r) = Falseとなる r を返す
        """
        if l == self._n:
            return self._n
        l += self.size
        sm = self.e
        while True:
            while l % 2 == 0:
                l >>= 1
            if not func(self.op(sm, self.data[l])):
                while l < self.size:
                    l <<= 1
                    if func(self.op(sm, self.data[l])):
                        sm = self.op(sm, self.data[l])
                        l += 1
                return l - self.size
            sm = self.op(sm, self.data[l])
            l += 1
            if (l & -l) == l:
                break
        return self._n

    def min_left(self, r, func):
        """
        func(     l, l+1, ..., r-1) = True,
        func(l-1, l, l+1, ..., r-1) = Falseとなる l を返す
        """
        if r == 0:
            return 0
        r += self.size
        sm = self.e
        while True:
            r -= 1
            while r > 1 and r & 1:
                r >>= 1
            if not func(self.op(self.data[r], sm)):
                while r < self.size:
                    r = r << 1 | 1
                    if func(self.op(self.data[r], sm)):
                        sm = self.op(self.data[r], sm)
                        r -= 1
                return r + 1 - self.size
            sm = self.op(self.data[r], sm)
            if (r & -r) == r:
                break
        return 0


class LazySegTree(SegTree):
    def __init__(self, N, op_data, u_data, op_lazy, u_lazy, op_merge):
        super().__init__(N, op_data, u_data)
        self.composition = op_lazy
        self.mapping = op_merge
        self.id = u_lazy

        self.lazy = [u_lazy] * self.size

    def _all_apply(self, i, F):
        self.data[i] = self.mapping(F, self.data[i], self.len[i])
        # self.data[i] = self.mapping(F, self.data[i])
        if i < self.size:
            self.lazy[i] = self.composition(F, self.lazy[i])

    def _push(self, i):
        self._all_apply(i << 1, self.lazy[i])
        self._all_apply(i << 1 | 1, self.lazy[i])
        self.lazy[i] = self.id

    def update(self, p, x):
        """ data[p] = x とする (0-indexed)"""
        p += self.size
        for i in reversed(range(1, self.log + 1)):
            self._push(p >> i)
        self.data[p] = x
        for i in range(1, self.log + 1):
            self._update(p >> i)

    def apply(self, p, F):
        """ data[p]にFを作用させる(data[p] = op_merge(F, data[p])とする, 0-indexed) """
        p += self.size
        for i in reversed(range(1, self.log + 1)):
            self._push(p >> i)
        self.data[p] = self.mapping(F, self.data[p], self.len[p])
        # self.data[p] = self.mapping(F, self.data[p])
        for i in range(1, self.log + 1):
            self._update(p >> i)

    def range_apply(self, l, r, F):
        """ i = l, l+1, ..., r-1 について、Fを作用させる(op_merge(F, data[i]), 0-indexed) """
        if l == r:
            return

        l += self.size
        r += self.size
        for i in reversed(range(1, self.log + 1)):  # too->down
            if ((l >> i) << i) != l:
                self._push(l >> i)
            if ((r >> i) << i) != r:
                self._push((r - 1) >> i)

        l2, r2 = l, r
        while l < r:
            if l & 1:
                self._all_apply(l, F)
                l += 1
            if r & 1:
                r -= 1
                self._all_apply(r, F)
            l >>= 1
            r >>= 1
        l, r = l2, r2

        for i in range(1, self.log + 1):
            if ((l >> i) << i) != l:
                self._update(l >> i)
            if ((r >> i) << i) != r:
                self._update((r - 1) >> i)

    def get(self, p):
        """ data[p]を返す """
        p += self.size
        for i in reversed(range(1, self.log + 1)):
            self._push(p >> i)
        return self.data[p]

    def prod(self, l, r):
        """
        op_data(data[l], data[l+1], ..., data[r-1])を返す (0-indexed)
        l == rの時は単位元u_dataを返す
        """
        if l == r:
            return self.e

        l += self.size
        r += self.size
        for i in reversed(range(1, self.log + 1)):
            if ((l >> i) << i) != l:
                self._push(l >> i)
            if ((r >> i) << i) != r:
                self._push(r >> i)

        sml = self.e
        smr = self.e
        while l < r:
            if l & 1:
                sml = self.op(sml, self.data[l])
                l += 1
            if r & 1:
                r -= 1
                smr = self.op(self.data[r], smr)
            l >>= 1
            r >>= 1
        return self.op(sml, smr)

    def max_right(self, l, func):
        """
        func(l, l+1, ..., r-1) = True,
        func(l, l+1, ..., r-1, r) = Falseとなる r を返す
        """
        if l == self._n:
            return self._n
        l += self.size
        for i in reversed(range(1, self.log + 1)):
            self._push(l >> i)

        sm = self.e
        while True:
            while l % 2 == 0:
                l >>= 1
            if not func(self.op(sm, self.data[[l]])):
                while l < self.size:
                    self._push(l)
                    l <<= 1
                    if func(self.op(sm, self.data[l])):
                        sm = self.op(sm, self.data[l])
                        l += 1
                return l - self.size
            sm = self.op(sm, self.data[l])
            l += 1
            if (l & -l) == l:
                break
        return self._n

    def min_left(self, r, func):
        """
        func(     l, l+1, ..., r-1) = True,
        func(l-1, l, l+1, ..., r-1) = Falseとなる l を返す
        """
        if r == 0:
            return 0
        r += self.size
        for i in reversed(range(1, self.log + 1)):
            self._push((r - 1) >> i)
        sm = self.e
        while True:
            r -= 1
            while r > 1 and r & 1:
                r >>= 1
            if not func(self.op(self.data[r], sm)):
                while r < self.size:
                    self._push(r)
                    r = r << 1 | 1
                    if func(self.op(self.data[r], sm)):
                        sm = self.op(self.data[r], sm)
                        r -= 1
                return r + 1 - self.size
            sm = self.op(self.data[r], sm)
            if (r & -r) == r:
                break
        return 0
    """
    遅延セグ木(ac-library移植)
    op_data(d_L, d_R) : d_Lとd_Rの二項演算, dataを返す
    op_lazy(lz_new, lz_orig) : lz_origにlz_newを作用させる, lazyを返す
    op_merge(lz, d) : dにlzを作用させる, dataを返す
    """


u_data = 0
u_lazy = 0


def op(L, R):
    return L + R


def composition(nw, od):
    return nw + od


def mapping(lz, d, sz):
    return lz * sz + d


def main():
    N = int(input())
    G = [[] for _ in range(N)]
    par = [-1] * N
    dist = [0] * N
    for _ in range(N - 1):
        a, b, w = map(int, input().split())
        G[a].append((b, w))
        par[b] = a
        dist[b] = w

    iter = [0] * N
    go_from = [-1] * N
    go_to = [-1] * N
    back_from = [-1] * N
    back_to = [-1] * N
    memo_go = []
    memo_back = []

    go_from[0] = 0
    back_from[0] = 0
    que = [0]
    while que:
        s = que[-1]
        if iter[s] < len(G[s]):
            t, d = G[s][iter[s]]
            iter[s] += 1
            que.append(t)
            memo_go.append(d)
            go_from[t] = len(memo_go)
            back_from[t] = len(memo_back)
        else:
            que.pop()
            go_to[s] = len(memo_go)
            back_to[s] = len(memo_back)
            memo_back.append(dist[s])

    debug()
    debug(memo_go)
    debug(go_from)
    debug(go_to)

    debug()
    debug(memo_back)
    debug(back_from)
    debug(back_to)

    seg_go = LazySegTree(N, op, u_data, composition, u_lazy, mapping)
    seg_back = LazySegTree(N, op, u_data, composition, u_lazy, mapping)
    seg_go.initialize(memo_go)
    seg_back.initialize(memo_back)

    Q = int(input())
    for _ in range(Q):
        flag, *arg = map(int, input().split())
        if flag == 1:
            a, x = arg
            seg_go.range_apply(go_from[a], go_to[a], x)
            seg_back.range_apply(back_from[a], back_to[a], x)
        else:
            a, = arg
            answer = seg_go.prod(0, go_from[a])
            answer -= seg_back.prod(0, back_from[a])
            print(answer)


main()
0