結果
問題 | No.1641 Tree Xor Query |
ユーザー | masutech16 |
提出日時 | 2021-08-07 21:09:49 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 401 ms / 5,000 ms |
コード長 | 6,447 bytes |
コンパイル時間 | 2,421 ms |
コンパイル使用メモリ | 214,232 KB |
実行使用メモリ | 41,832 KB |
最終ジャッジ日時 | 2024-09-18 19:37:27 |
合計ジャッジ時間 | 4,550 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 401 ms
41,700 KB |
testcase_14 | AC | 394 ms
41,832 KB |
testcase_15 | AC | 5 ms
6,940 KB |
testcase_16 | AC | 18 ms
6,948 KB |
testcase_17 | AC | 12 ms
6,944 KB |
testcase_18 | AC | 8 ms
6,940 KB |
testcase_19 | AC | 9 ms
6,940 KB |
testcase_20 | AC | 296 ms
36,828 KB |
ソースコード
#line 1 "/workspaces/compro/lib/atcoder/segtree.hpp" #line 1 "/workspaces/compro/lib/atcoder/internal_bit.hpp" #ifdef _MSC_VER #include <intrin.h> #endif namespace atcoder { namespace internal { // @param n `0 <= n` // @return minimum non-negative `x` s.t. `n <= 2**x` int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } // @param n `1 <= n` // @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0` int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } // namespace internal } // namespace atcoder #line 5 "/workspaces/compro/lib/atcoder/segtree.hpp" #include <algorithm> #include <cassert> #include <vector> namespace atcoder { template <class S, S (*op)(S, S), S (*e)()> struct segtree { public: segtree() : segtree(0) {} segtree(int n) : segtree(std::vector<S>(n, e())) {} segtree(const std::vector<S> &v) : _n(int(v.size())) { log = internal::ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); return d[p + size]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } template <bool (*f)(S)> int max_right(int l) { return max_right(l, [](S x) { return f(x); }); } template <class F> int max_right(int l, F f) { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*f)(S)> int min_left(int r) { return min_left(r, [](S x) { return f(x); }); } template <class F> int min_left(int r, F f) { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; } // namespace atcoder #line 1 "/workspaces/compro/lib/template.hpp" #line 1 "/workspaces/compro/lib/io/vector.hpp" #include <iostream> #line 3 "/workspaces/compro/lib/io/vector.hpp" #ifndef IO_VECTOR #define IO_VECTOR template <class T> std::ostream &operator<<(std::ostream &out, const std::vector<T> &v) { int size = v.size(); for (int i = 0; i < size; i++) { std::cout << v[i]; if (i != size - 1) std::cout << " "; } return out; } template <class T> std::istream &operator>>(std::istream &in, std::vector<T> &v) { for (auto &el : v) { std::cin >> el; } return in; } #endif #line 4 "/workspaces/compro/lib/template.hpp" #include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < n; i++) #define FOR(i, m, n) for (int i = m; i < n; i++) #define ALL(v) (v).begin(), (v).end() #define coutd(n) cout << fixed << setprecision(n) #define ll long long int #define vl vector<ll> #define vi vector<int> #define MM << " " << using namespace std; template <class T> void chmin(T &a, T b) { if (a > b) a = b; } template <class T> void chmax(T &a, T b) { if (a < b) a = b; } // 重複を消す。計算量はO(NlogN) template <class T> void unique(std::vector<T> &v) { std::sort(v.begin(), v.end()); v.erase(std::unique(v.begin(), v.end()), v.end()); } #line 3 "main.cpp" int op(int a, int b) { return a + b; } int e() { return 0; } void solve(ll N, ll Q, const std::vector<int> &C, const std::vector<long long> &a, const std::vector<long long> &b, const std::vector<long long> &T, const std::vector<long long> &x, const std::vector<int> &y) { vector<vector<int>> g(N); REP(i, N - 1) { g[a[i]].push_back(b[i]); g[b[i]].push_back(a[i]); } // Euler Tour vector<int> in(N, 0), out(N, 0); vector<int> v; auto dfs = [&](int cur, int par, auto self) -> void { in[cur] = v.size(); v.push_back(cur); for (const auto &el : g[cur]) { if (el == par) continue; self(el, cur, self); } out[cur] = v.size(); v.push_back(cur); }; dfs(0, -1, dfs); // セグ木の準備 vector<atcoder::segtree<int, op, e>> segs(10); REP(k, 10) { vi tmp; for (const auto &el : v) { tmp.push_back((C[el] >> k) % 2); } segs[k] = atcoder::segtree<int, op, e>(tmp); } REP(i, Q) { if (T[i] == 1) { REP(k, 10) { segs[k].set(in[x[i]], segs[k].get(in[x[i]]) + (y[i] >> k) % 2); segs[k].set(out[x[i]], segs[k].get(out[x[i]]) + (y[i] >> k) % 2); } } else { int ans = 0; REP(k, 10) { ans += ((segs[k].prod(in[x[i]], out[x[i]] + 1) / 2) % 2) << k; } cout << ans << endl; } } } // generated by online-judge-template-generator v4.7.1 (https://github.com/online-judge-tools/template-generator) int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int N, Q; std::cin >> N; std::vector<int> C(N); vl a(N - 1), b(N - 1); std::cin >> Q; std::vector<long long> T(Q), x(Q); vi y(Q); for (int i = 0; i < N; ++i) { std::cin >> C[i]; } for (int i = 0; i < N - 1; ++i) { std::cin >> a[i] >> b[i]; a[i]--; b[i]--; } for (int i = 0; i < Q; ++i) { std::cin >> T[i] >> x[i] >> y[i]; x[i]--; } solve(N, Q, C, a, b, T, x, y); return 0; }