結果
問題 | No.649 ここでちょっとQK! |
ユーザー | hashiryo |
提出日時 | 2020-05-02 15:09:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,460 bytes |
コンパイル時間 | 1,676 ms |
コンパイル使用メモリ | 170,520 KB |
実行使用メモリ | 68,992 KB |
最終ジャッジ日時 | 2024-06-09 13:25:47 |
合計ジャッジ時間 | 13,431 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 20 ms
68,864 KB |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | AC | 201 ms
68,992 KB |
testcase_05 | AC | 191 ms
68,992 KB |
testcase_06 | AC | 179 ms
68,992 KB |
testcase_07 | AC | 20 ms
68,864 KB |
testcase_08 | AC | 20 ms
68,944 KB |
testcase_09 | AC | 20 ms
68,864 KB |
testcase_10 | AC | 20 ms
68,864 KB |
testcase_11 | AC | 19 ms
68,992 KB |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | AC | 21 ms
68,936 KB |
testcase_28 | AC | 21 ms
68,864 KB |
testcase_29 | AC | 21 ms
68,864 KB |
testcase_30 | AC | 140 ms
68,736 KB |
testcase_31 | AC | 128 ms
68,864 KB |
testcase_32 | AC | 20 ms
68,992 KB |
testcase_33 | AC | 20 ms
68,736 KB |
testcase_34 | AC | 20 ms
68,864 KB |
testcase_35 | RE | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define debug(x) cerr << #x << ": " << x << endl #define debugArray(x, n) \ for (long long hoge = 0; (hoge) < (n); ++(hoge)) \ cerr << #x << "[" << hoge << "]: " << x[hoge] << endl template <typename M> struct SegmentTree_Dynamic { using T = typename M::T; using ll = long long; using U = unsigned long long; struct Node { T dat; U xor_lazy; Node *ch[2]; Node() : dat(M::ti()), xor_lazy(0), ch{nullptr, nullptr} {} Node(T v, U b, int p, Node *left, Node *right) : dat(v), xor_lazy(b), ch{left, right} {} void *operator new(size_t) { static Node pool[1 << 21]; return pool + node_count++; } }; using np = Node *; private: const int height; const ll n; static int node_count; np root; private: inline void push(np t, ll b) { if ((t->xor_lazy >> (U)b) & (U)1) swap(t->ch[0], t->ch[1]); if (t->ch[0] != nullptr) t->ch[0]->xor_lazy ^= t->xor_lazy; if (t->ch[1] != nullptr) t->ch[1]->xor_lazy ^= t->xor_lazy; t->xor_lazy = 0; } T value(np t) { return t ? t->dat : M::ti(); } np set_Node(np t, U pos, T val, ll b) { if (t == nullptr) t = new Node(); if (b < 0) { t->dat = val; return t; } push(t, b); bool f = (pos >> (U)b) & (U)1; t->ch[f] = set_Node(t->ch[f], pos, val, b - 1); t->dat = M::f(value(t->ch[0]), value(t->ch[1])); return t; } T query_Node(ll l, ll r, np t, ll lb, ll ub, ll b) { if (t == nullptr || ub <= l || r <= lb) return M::ti(); push(t, b); if (l <= lb && ub <= r) return t->dat; ll c = (lb + ub) / 2; T vl = query_Node(l, r, t->ch[0], lb, c, b - 1); T vr = query_Node(l, r, t->ch[1], c, ub, b - 1); return M::f(vl, vr); } template <typename C> ll find(np t, C &check, U bias) { ll ret = 0; T acc = M::ti(); for (ll b = height - 1; b >= 0; b--) { push(t, b); bool f = (bias >> (U)b) & (U)1; if (!check(M::f(acc, value(t->ch[f])))) acc = M::f(acc, value(t->ch[f])), f = !f; t = t->ch[f]; if (!t) return -1; ret |= (U)f << (U)b; } return ret; } public: SegmentTree_Dynamic() {} SegmentTree_Dynamic(ll n_) : height(ceil(log2(n_))), n(1LL << height), root(nullptr) {} void clear() { Node::node_count = 0; root = nullptr; } void xor_all(U key) { if (root != nullptr) root->lazy ^= key; } void set_val(ll k, T x) { root = set_Node(root, k, x, height - 1); } //[a,b) T query(ll a, ll b) { return query_Node(a, b, root, 0, n, height - 1); } T operator[](ll k) { return query(k, k + 1); } // min { i : check(query(0,i+1)) = true } template <typename C> ll find_first(C &check, U bias = 0) { return find(root, check, bias); } }; template <typename M> int SegmentTree_Dynamic<M>::node_count = 0; struct RsumQ { using T = int; static T ti() { return 0; } static T f(const T &l, const T &r) { return l + r; } }; signed main() { cin.tie(0); ios::sync_with_stdio(0); int Q, K; cin >> Q >> K; debug(K); K--; SegmentTree_Dynamic<RsumQ> seg((long long)1e18 + 10); while (Q--) { long long v; cin >> v; if (v == 1) { cin >> v; seg.set_val(v, seg[v] + 1); } else { auto check = [&](int x) { return x > K; }; v = seg.find_first(check); cout << v << endl; if (v >= 0) seg.set_val(v, seg[v] - 1); } } return 0; }