結果
問題 | No.1641 Tree Xor Query |
ユーザー | stoq |
提出日時 | 2021-08-06 22:02:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,840 bytes |
コンパイル時間 | 2,344 ms |
コンパイル使用メモリ | 213,792 KB |
実行使用メモリ | 15,460 KB |
最終ジャッジ日時 | 2024-09-17 02:00:22 |
合計ジャッジ時間 | 3,562 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge6 |
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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 | 4 ms
6,816 KB |
testcase_01 | WA | - |
testcase_02 | AC | 4 ms
6,940 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 89 ms
15,456 KB |
testcase_14 | AC | 88 ms
15,460 KB |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 69 ms
12,712 KB |
ソースコード
#define MOD_TYPE 1 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif #if 0 #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/tag_and_trait.hpp> #include <ext/rope> using namespace __gnu_pbds; using namespace __gnu_cxx; template <typename T> using extset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #endif #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename T> using smaller_queue = priority_queue<T, vector<T>, greater<T>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr ld PI = acos(-1.0); constexpr ld EPS = 1e-7; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion random_device seed_gen; mt19937_64 engine(seed_gen()); // -------------------------------------- template <typename T> struct SegmentTree { using Fn = function<T(T, T)>; int N; vector<T> dat; T ti; Fn f; SegmentTree() {} SegmentTree(int n, Fn f, T ti) : f(f), ti(ti) { N = 1; while (N < n) N *= 2; dat.assign(2 * N - 1, ti); } SegmentTree(const vector<T> &v, Fn f, T ti) : f(f), ti(ti) { N = 1; int sz = v.size(); while (N < sz) N *= 2; dat.resize(2 * N - 1); for (int i = 0; i < N; ++i) dat[i + N - 1] = (i < sz ? v[i] : ti); for (int i = N - 2; i >= 0; --i) dat[i] = f(dat[i * 2 + 1], dat[i * 2 + 2]); } void update(int k, T a) { k += N - 1; dat[k] = a; while (k > 0) { k = (k - 1) / 2; dat[k] = f(dat[k * 2 + 1], dat[k * 2 + 2]); } } T get(int k) { return dat[k + N - 1]; } void add(int k, T a) { update(k, f(get(k), a)); } T query(int l, int r) { T vl = ti, vr = ti; for (l += (N - 1), r += (N - 1); l < r; l >>= 1, r >>= 1) { if ((l & 1) == 0) vl = f(vl, dat[l]); if ((r & 1) == 0) vr = f(vr, dat[--r]); } return f(vl, vr); } T query_all() { return dat[0]; } void display() { for (int i = 0; i < N; i++) cerr << get(i) << " "; cerr << "\n"; } }; vector<int> E[100010]; int in[100010], out[100010]; void dfs(int v, int p, int &i) { in[v] = i++; for (auto c : E[v]) { if (c == p) continue; dfs(c, v, i); } out[v] = i; } void solve() { int n, q; cin >> n >> q; vector<ll> c(n); rep(i, n) cin >> c[i]; rep(i, n - 1) { int a, b; cin >> a >> b; a--, b--; E[a].push_back(b); E[b].push_back(a); } int tmp = 0; dfs(0, -1, tmp); auto f = [](ll a, ll b) { return a ^ b; }; SegmentTree<ll> sg(c, f, 0); rep(qi, q) { int t; ll x, y; cin >> t >> x >> y; if (t == 1) { x--; sg.add(in[x], y); } else { x--; cout << sg.query(in[x], out[x]) << "\n"; } } } int main() { solve(); }