結果
問題 | No.1030 だんしんぐぱーりない |
ユーザー | mkawa2 |
提出日時 | 2022-05-26 18:57:14 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,063 ms / 2,000 ms |
コード長 | 6,207 bytes |
コンパイル時間 | 749 ms |
コンパイル使用メモリ | 81,724 KB |
実行使用メモリ | 135,144 KB |
最終ジャッジ日時 | 2023-10-20 19:32:02 |
合計ジャッジ時間 | 32,767 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge13 |
(要ログイン)
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 | 61 ms
67,912 KB |
testcase_01 | AC | 61 ms
67,912 KB |
testcase_02 | AC | 61 ms
67,912 KB |
testcase_03 | AC | 60 ms
67,912 KB |
testcase_04 | AC | 61 ms
67,908 KB |
testcase_05 | AC | 757 ms
119,072 KB |
testcase_06 | AC | 888 ms
114,844 KB |
testcase_07 | AC | 549 ms
99,584 KB |
testcase_08 | AC | 550 ms
102,316 KB |
testcase_09 | AC | 642 ms
121,904 KB |
testcase_10 | AC | 486 ms
90,964 KB |
testcase_11 | AC | 678 ms
107,968 KB |
testcase_12 | AC | 603 ms
115,056 KB |
testcase_13 | AC | 593 ms
110,780 KB |
testcase_14 | AC | 719 ms
116,740 KB |
testcase_15 | AC | 492 ms
97,196 KB |
testcase_16 | AC | 625 ms
106,312 KB |
testcase_17 | AC | 649 ms
123,876 KB |
testcase_18 | AC | 794 ms
118,080 KB |
testcase_19 | AC | 573 ms
94,640 KB |
testcase_20 | AC | 599 ms
100,096 KB |
testcase_21 | AC | 615 ms
111,468 KB |
testcase_22 | AC | 594 ms
104,112 KB |
testcase_23 | AC | 652 ms
102,156 KB |
testcase_24 | AC | 616 ms
102,040 KB |
testcase_25 | AC | 642 ms
105,560 KB |
testcase_26 | AC | 548 ms
90,180 KB |
testcase_27 | AC | 547 ms
95,712 KB |
testcase_28 | AC | 681 ms
111,676 KB |
testcase_29 | AC | 561 ms
113,616 KB |
testcase_30 | AC | 544 ms
103,916 KB |
testcase_31 | AC | 558 ms
100,284 KB |
testcase_32 | AC | 638 ms
116,360 KB |
testcase_33 | AC | 661 ms
123,128 KB |
testcase_34 | AC | 719 ms
94,044 KB |
testcase_35 | AC | 907 ms
135,144 KB |
testcase_36 | AC | 1,063 ms
134,424 KB |
testcase_37 | AC | 816 ms
130,244 KB |
testcase_38 | AC | 833 ms
129,356 KB |
testcase_39 | AC | 811 ms
129,204 KB |
testcase_40 | AC | 63 ms
68,072 KB |
testcase_41 | AC | 60 ms
68,072 KB |
ソースコード
import sys # sys.setrecursionlimit(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 << 63)-1 # inf = (1 << 31)-1 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]) class LCA: # 頂点は0~n-1 def __init__(self, parents, depth): self.n = len(parents) self.parents = parents self.depth = depth self.max_level = max(self.depth).bit_length() self.ancestor = [self.parents]+[[-1]*self.n for _ in range(self.max_level)] row0 = self.ancestor[0] for lv in range(self.max_level): row1 = self.ancestor[lv+1] for u in range(self.n): row1[u] = row0[row0[u]] row0 = row1 # 最小共通祖先 def anc(self, u, v): diff = self.depth[u]-self.depth[v] if diff < 0: u, v = v, u diff = abs(diff) lv = 0 while diff: if diff & 1: u = self.ancestor[lv][u] lv, diff = lv+1, diff >> 1 if u == v: return u for lv in range(self.depth[u].bit_length()-1, -1, -1): anclv = self.ancestor[lv] if anclv[u] != anclv[v]: u, v = anclv[u], anclv[v] return self.parents[u] n, k, q = LI() cc = LI() aa = LI1() to = [[] for _ in range(n)] for _ in range(n-1): u, v = LI1() to[u].append(v) to[v].append(u) parent, depth, vis = [-1]*n, [0]*n, [0]*n def dfs(root): uu = [] vis[root] = 1 stack = [root] while stack: iu = stack.pop() i, u = divmod(iu, n) if i == 0: uu.append(u) # care to's format while i < len(to[u]) and vis[to[u][i]]: i += 1 if i == len(to[u]): pass else: stack.append((i+1)*n+u) # care to's format v = to[u][i] vis[v] = 1 stack.append(v) parent[v] = u depth[v] = depth[u]+1 cc[v] = max(cc[v], cc[u]) return uu e = (inf, -inf) def op(a, b): return (min(a[0], b[0]), max(a[1], b[1])) uu = dfs(0) utoi = {u: i for i, u in enumerate(uu)} st = SegTree(op, e, [(utoi[a], utoi[a]) for a in aa]) lca = LCA(parent, depth) for _ in range(q): t, x, y = LI1() if t: i, j = st.prod(x, y+1) u = uu[i] v = uu[j] a = lca.anc(u, v) print(cc[a]) else: i = utoi[y] st.set(x, (i, i))