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Submission #893051

# Submission time Handle Problem Language Result Execution time Memory
893051 2023-12-26T12:20:11 Z d4xn Abracadabra (CEOI22_abracadabra) C++17
10 / 100
 3000 ms 24912 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 2e5, Q = 1e6;

int n, q, a[N], b[N], ans[Q];
tuple<int, int, int> qry[Q];

signed main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n >> q;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  for (int i = 0; i < q; i++) {
    int x, y;
    cin >> x >> y;
    y--;
    qry[i] = make_tuple(x, y, i);
  }
  sort(qry, qry+q);

  int curr = 0;
  bool same = 0;
  for (int i = 0; i < q; i++) {
    while (!same && curr < get<0>(qry[i])) {
      curr++;

      int l = 0;
      int r = n/2;
      int x = 0;
      while (l < n/2 && r < n) {
        if (a[l] < a[r]) {
          b[x++] = a[l++];
        }
        else {
          b[x++] = a[r++];
        }
      }

      while (l < n/2) {
        b[x++] = a[l++];
      }

      bool ok = 1;
      for (int i = 0; i < r; i++) {
        if (a[i] != b[i]) ok = 0;
        a[i] = b[i];
      }
      if (ok) same = 1;
    }
    ans[get<2>(qry[i])] = a[get<1>(qry[i])];
  }

  for (int i = 0; i < q; i++) {
    cout << ans[i] << "\n";
  }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 251 ms 24912 KB Output is correct
2 Correct 261 ms 24912 KB Output is correct
3 Correct 249 ms 24460 KB Output is correct
4 Correct 257 ms 24072 KB Output is correct
5 Correct 253 ms 24688 KB Output is correct
6 Correct 245 ms 24308 KB Output is correct
7 Correct 253 ms 24624 KB Output is correct
8 Correct 245 ms 24144 KB Output is correct
9 Correct 242 ms 24012 KB Output is correct
10 Correct 249 ms 24200 KB Output is correct
11 Correct 242 ms 24148 KB Output is correct
12 Correct 243 ms 23632 KB Output is correct
13 Correct 253 ms 23936 KB Output is correct
14 Correct 251 ms 24304 KB Output is correct
15 Correct 261 ms 24008 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 230 ms 23840 KB Output is correct
18 Correct 244 ms 23684 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3033 ms 22876 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3046 ms 8024 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 251 ms 24912 KB Output is correct
2 Correct 261 ms 24912 KB Output is correct
3 Correct 249 ms 24460 KB Output is correct
4 Correct 257 ms 24072 KB Output is correct
5 Correct 253 ms 24688 KB Output is correct
6 Correct 245 ms 24308 KB Output is correct
7 Correct 253 ms 24624 KB Output is correct
8 Correct 245 ms 24144 KB Output is correct
9 Correct 242 ms 24012 KB Output is correct
10 Correct 249 ms 24200 KB Output is correct
11 Correct 242 ms 24148 KB Output is correct
12 Correct 243 ms 23632 KB Output is correct
13 Correct 253 ms 23936 KB Output is correct
14 Correct 251 ms 24304 KB Output is correct
15 Correct 261 ms 24008 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 230 ms 23840 KB Output is correct
18 Correct 244 ms 23684 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Execution timed out 3033 ms 22876 KB Time limit exceeded
22 Halted 0 ms 0 KB -