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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#220591#7627. PhonyHeltion#TL 1ms3488kbC++203.3kb2023-10-20 16:07:172023-10-20 16:07:18

Judging History

你现在查看的是最新测评结果

  • [2023-10-20 16:07:18]
  • 评测
  • 测评结果:TL
  • 用时:1ms
  • 内存:3488kb
  • [2023-10-20 16:07:17]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
using u64 = int64_t;
using f64 = double_t;
constexpr i64 mod = 998244353;
struct Node {
  static constexpr bool persistent = true;
  static mt19937_64 mt;
  Node *l, *r;
  u64 priority;
  int size;
  i64 v;
  Node(const Node &other) { memcpy(this, &other, sizeof(Node)); }
  Node(int v) : v(v), priority(mt()), size(1) { l = r = nullptr; }
  Node *update(Node *l, Node *r) {
    Node *p = persistent ? new Node(*this) : this;
    p->l = l;
    p->r = r;
    p->size = (l ? l->size : 0) + 1 + (r ? r->size : 0);
    return p;
  }
};
mt19937_64 Node::mt;
pair<Node *, Node *> split_by_v(Node *p, i64 v) {
  if (not p) { return {}; }
  if (p->v < v) {
    auto [l, r] = split_by_v(p->r, v);
    return {p->update(p->l, l), r};
  }
  auto [l, r] = split_by_v(p->l, v);
  return {l, p->update(r, p->r)};
}
pair<Node *, Node *> split_by_size(Node *p, int size) {
  if (not p) { return {}; }
  int l_size = p->l ? p->l->size : 0;
  if (l_size < size) {
    auto [l, r] = split_by_size(p->r, size - l_size - 1);
    return {p->update(p->l, l), r};
  }
  auto [l, r] = split_by_size(p->l, size);
  return {l, p->update(r, p->r)};
}
Node *merge(Node *l, Node *r) {
  if (not l or not r) { return l ?: r; }
  if (l->priority < r->priority) { return r->update(merge(l, r->l), r->r); }
  return l->update(l->l, merge(l->r, r));
}
i64 div_f(i64 x, i64 k) { return x / k - (x < 0 and x % k); }

Node *insert(Node *p, i64 v) {
  auto [l, r] = split_by_v(p, v);
  return merge(merge(l, new Node(v)), r);
}
int kth(Node *p, int k) {
  int l_size = p->l ? p->l->size : 0;
  if (l_size == k) { return p->v; }
  if (k < l_size) { return kth(p->l, k); }
  return kth(p->r, k - 1 - l_size);
}
int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, m;
  i64 k;
  cin >> n >> m >> k;
  vector<i64> a(n);
  for (i64 &ai : a) { cin >> ai; }
  ranges::sort(a);
  Node *top = nullptr;
  i64 d = div_f(a.back(), k), vir = 0;
  int st = n - 1;
  auto flush = [&]() {
    while (st >= 0) {
      i64 di = div_f(a[st], k);
      if (di == d) {
        top = insert(top, a[st] - d * k);
      } else if (di == d - 1 and a[st] >= kth(top, top->size - vir - 1)) {
        vir += 1;
        top = insert(top, a[st] - d * k + k);
      } else {
        break;
      }
      st -= 1;
    }
  };
  flush();
  for (int i = 0; i < m; i += 1) {
    char c;
    cin >> c;
    if (c == 'C') {
      i64 t;
      cin >> t;
      while (t > 0) {
        if (top->size - vir > t) {
          vir += t;
          break;
        }
        if (vir > 0) {
          t -= top->size - vir;
          vir = 0;
          d -= 1;
          flush();
        } else if (st == -1) {
          d -= t / top->size;
          t %= top->size;
        } else {
          i64 x = min(d - div_f(a[st], k) - 1, t / top->size);
          d -= x;
          t -= x * top->size;
          flush();
        }
      }
    } else {
      int x;
      cin >> x;
      if (x > top->size) {
        cout << a[n - x] << "\n";
        continue;
      } else if (x <= top->size - vir) {
        cout << kth(top, top->size - vir - x) + d * k << "\n";
      } else {
        cout << kth(top, top->size - x + (top->size - vir)) + (d - 1) * k
             << "\n";
      }
    }
  }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3488kb

input:

3 5 5
7 3 9
A 3
C 1
A 2
C 2
A 3

output:

3
4
-1

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 3488kb

input:

5 8 8
294 928 293 392 719
A 4
C 200
A 5
C 10
A 2
C 120
A 1
A 3

output:

294
200
191
0
-2

result:

ok 5 lines

Test #3:

score: -100
Time Limit Exceeded

input:

100 100 233
5101 8001 6561 6329 6305 7745 4321 811 49 1121 3953 8054 8415 9876 6701 4097 6817 6081 495 5521 2389 2042 4721 8119 7441 7840 8001 5756 5561 129 1 5981 4801 7201 8465 7251 6945 5201 5626 3361 5741 3650 7901 2513 8637 3841 5621 9377 101 3661 5105 4241 5137 7501 5561 3581 4901 561 8721 811...

output:


result: