Submission #627211

# Submission time Handle Problem Language Result Execution time Memory
627211 2022-08-12T11:20:49 Z model_code Digital Circuit (IOI22_circuit) C++17
50 / 100
2500 ms 8000 KB
// time_limit/solution-prabowo-no-segtree.cpp
// O(N + QM)
// Note: this solution can pass quadratic subtask because of low constant

#pragma GCC optimize("Ofast,unroll-loops")

#include "circuit.h"

#include <functional>
#include <utility>
#include <vector>

const int kMod = 1000002022;

int N;
std::vector<int> A;
std::vector<int> contribution;
long long total;

void init(int _N, int M, std::vector<int> P, std::vector<int> _A) {
  N = _N; A = _A;
  std::vector<std::vector<int>> adj(N + M);
  for (int i = 1; i < N + M; ++i) {
    adj[P[i]].push_back(i);
  }

  std::vector<int> prod(N + M);
  std::function<int(int)> dfs_prod = [&](int u) {
    if (u >= N) {
      return prod[u] = 1;
    }
    prod[u] = static_cast<int>(adj[u].size());
    for (int v : adj[u]) {
      prod[u] = 1LL * prod[u] * dfs_prod(v) % kMod;
    }
    return prod[u];
  };
  dfs_prod(0);

  contribution.resize(M);
  std::function<void(int, int)> dfs_contrib = [&](int u, int product) {
    if (u >= N) {
      contribution[u - N] = product;
      return;
    }
    std::vector<int> prefix(adj[u].size()), suffix(adj[u].size());
    for (int i = 0; i < static_cast<int>(adj[u].size()); ++i) {
      prefix[i] = prod[adj[u][i]];
      if (i > 0) {
        prefix[i] = 1LL * prefix[i] * prefix[i - 1] % kMod;
      }
    }
    for (int i = static_cast<int>(adj[u].size()) - 1; i >= 0; --i) {
      suffix[i] = prod[adj[u][i]];
      if (i + 1 < static_cast<int>(adj[u].size())) {
        suffix[i] = 1LL * suffix[i] * suffix[i + 1] % kMod;
      }
    }
    for (int i = 0; i < static_cast<int>(adj[u].size()); ++i) {
      int next_product = product;
      if (i > 0) {
        next_product = 1LL * next_product * prefix[i - 1] % kMod;
      }
      if (i + 1 < static_cast<int>(adj[u].size())) {
        next_product = 1LL * next_product * suffix[i + 1] % kMod;
      }
      dfs_contrib(adj[u][i], next_product);
    }
  };
  dfs_contrib(0, 1);

  total = 0;
  for (int j = 0; j < M; ++j) {
    total += contribution[j] * A[j];
  }
}

int count_ways(int L, int R) {
  L -= N; R -= N;
  for (int j = L; j <= R; ++j) {
    total += (2 * (A[j] ^= 1) - 1) * contribution[j];
  }
  return total % kMod;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 352 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 552 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 352 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 552 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 400 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 476 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 1 ms 472 KB Output is correct
36 Correct 2 ms 472 KB Output is correct
37 Correct 1 ms 472 KB Output is correct
38 Correct 1 ms 476 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 368 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 827 ms 4148 KB Output is correct
2 Correct 754 ms 8000 KB Output is correct
3 Correct 1101 ms 7964 KB Output is correct
4 Correct 1162 ms 7960 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 827 ms 4148 KB Output is correct
2 Correct 754 ms 8000 KB Output is correct
3 Correct 1101 ms 7964 KB Output is correct
4 Correct 1162 ms 7960 KB Output is correct
5 Correct 1305 ms 4116 KB Output is correct
6 Execution timed out 2776 ms 7964 KB Time limit exceeded
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 552 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 827 ms 4148 KB Output is correct
14 Correct 754 ms 8000 KB Output is correct
15 Correct 1101 ms 7964 KB Output is correct
16 Correct 1162 ms 7960 KB Output is correct
17 Correct 1305 ms 4116 KB Output is correct
18 Execution timed out 2776 ms 7964 KB Time limit exceeded
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 352 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 552 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 400 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 476 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 1 ms 472 KB Output is correct
36 Correct 2 ms 472 KB Output is correct
37 Correct 1 ms 472 KB Output is correct
38 Correct 1 ms 476 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 368 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 669 ms 624 KB Output is correct
44 Correct 1193 ms 640 KB Output is correct
45 Correct 955 ms 592 KB Output is correct
46 Correct 646 ms 788 KB Output is correct
47 Correct 1029 ms 848 KB Output is correct
48 Correct 982 ms 848 KB Output is correct
49 Correct 1261 ms 848 KB Output is correct
50 Correct 1522 ms 848 KB Output is correct
51 Correct 1294 ms 592 KB Output is correct
52 Correct 1196 ms 592 KB Output is correct
53 Correct 1044 ms 1360 KB Output is correct
54 Correct 1132 ms 848 KB Output is correct
55 Correct 1069 ms 592 KB Output is correct
56 Correct 1220 ms 592 KB Output is correct
57 Correct 999 ms 464 KB Output is correct
58 Correct 1105 ms 1616 KB Output is correct
59 Correct 1436 ms 1744 KB Output is correct
60 Correct 1109 ms 1688 KB Output is correct
61 Correct 1139 ms 848 KB Output is correct
62 Correct 1267 ms 592 KB Output is correct
63 Correct 1293 ms 628 KB Output is correct
64 Correct 1092 ms 464 KB Output is correct
65 Correct 423 ms 464 KB Output is correct
66 Correct 889 ms 720 KB Output is correct
67 Correct 1006 ms 720 KB Output is correct
68 Correct 1056 ms 720 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 352 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 464 KB Output is correct
19 Correct 1 ms 552 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 400 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 476 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 1 ms 472 KB Output is correct
36 Correct 2 ms 472 KB Output is correct
37 Correct 1 ms 472 KB Output is correct
38 Correct 1 ms 476 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 368 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 827 ms 4148 KB Output is correct
44 Correct 754 ms 8000 KB Output is correct
45 Correct 1101 ms 7964 KB Output is correct
46 Correct 1162 ms 7960 KB Output is correct
47 Correct 1305 ms 4116 KB Output is correct
48 Execution timed out 2776 ms 7964 KB Time limit exceeded
49 Halted 0 ms 0 KB -