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Submission #413757

# Submission time Handle Problem Language Result Execution time Memory
413757 2021-05-29T10:46:52 Z flashmt Rainforest Jumps (APIO21_jumps) C++17
31 / 100
 4000 ms 41832 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 200200;
const int LG = 18;

int n, l[N], r[N], high[N][LG], low[N][LG];
vector<int> h;

void initEdges()
{
  vector<pair<int, int>> sortedH;
  for (int i = 0; i < n; i++)
    sortedH.push_back({h[i], i});
  sort(sortedH.begin(), sortedH.end(), greater<pair<int, int>>());
  set<int> s;
  s.insert(-1);
  s.insert(n);
  for (auto [_, i] : sortedH)
  {
    auto it = s.lower_bound(i);
    r[i] = *it;
    l[i] = *(--it);
    s.insert(i);
  }
}

void constructTable()
{
  for (int i = 0; i < n; i++)
  {
    low[i][0] = high[i][0] = n;
    if (l[i] < 0) low[i][0] = r[i];
    else if (r[i] == n) low[i][0] = l[i];
    else
    {
      low[i][0] = l[i];
      high[i][0] = r[i];
      if (h[r[i]] < h[l[i]])
        swap(low[i][0], high[i][0]);
    }
    for (int j = 1; j < LG; j++)
      low[i][j] = high[i][j] = n;
  }

  for (int j = 0; j + 1 < LG; j++)
    for (int i = 0; i < n; i++)
    {
      if (low[i][j] < n)
        low[i][j + 1] = low[low[i][j]][j];
      if (high[i][j] < n)
        high[i][j + 1] = high[high[i][j]][j];
    }
}

void init(int N, vector<int> H) {
  n = N;
  h = H;
  initEdges();
  constructTable();
}

int calcDist(int s, int t)
{
  int res = 0;
  for (int i = LG - 1; i >= 0; i--)
  {
    int x = high[s][i];
    if (x < n && h[x] <= h[t])
    {
      s = x;
      res |= 1 << i;
    }
  }
  for (int i = LG - 1; i >= 0; i--)
  {
    int x = low[s][i];
    if (x < n && h[x] <= h[t])
    {
      s = x;
      res += 1 << i;
    }
  }
  return s == t ? res : -1;
}

int minimum_jumps(int A, int B, int C, int D) {
  int ans = n;
  for (int i = A; i <= B; i++)
    for (int j = C; j <= D; j++)
    {
      int dist = calcDist(i, j);
      if (dist >= 0)
        ans = min(ans, dist);
    }
  return ans < n ? ans : -1;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Execution timed out 4046 ms 33344 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 3 ms 200 KB Output is correct
6 Correct 12 ms 328 KB Output is correct
7 Correct 9 ms 328 KB Output is correct
8 Correct 14 ms 328 KB Output is correct
9 Correct 3 ms 328 KB Output is correct
10 Correct 13 ms 328 KB Output is correct
11 Correct 20 ms 328 KB Output is correct
12 Correct 16 ms 328 KB Output is correct
13 Correct 16 ms 328 KB Output is correct
14 Correct 16 ms 328 KB Output is correct
15 Correct 19 ms 328 KB Output is correct
16 Correct 11 ms 384 KB Output is correct
17 Correct 7 ms 328 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 4 ms 328 KB Output is correct
21 Correct 3 ms 328 KB Output is correct
22 Correct 4 ms 328 KB Output is correct
23 Correct 4 ms 328 KB Output is correct
24 Correct 3 ms 328 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 4 ms 328 KB Output is correct
29 Correct 2 ms 328 KB Output is correct
30 Correct 3 ms 328 KB Output is correct
31 Correct 4 ms 328 KB Output is correct
32 Correct 4 ms 328 KB Output is correct
33 Correct 1 ms 200 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 328 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 2 ms 328 KB Output is correct
38 Correct 3 ms 328 KB Output is correct
39 Correct 2 ms 328 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 3 ms 200 KB Output is correct
6 Correct 12 ms 328 KB Output is correct
7 Correct 9 ms 328 KB Output is correct
8 Correct 14 ms 328 KB Output is correct
9 Correct 3 ms 328 KB Output is correct
10 Correct 13 ms 328 KB Output is correct
11 Correct 20 ms 328 KB Output is correct
12 Correct 16 ms 328 KB Output is correct
13 Correct 16 ms 328 KB Output is correct
14 Correct 16 ms 328 KB Output is correct
15 Correct 19 ms 328 KB Output is correct
16 Correct 11 ms 384 KB Output is correct
17 Correct 7 ms 328 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 4 ms 328 KB Output is correct
21 Correct 3 ms 328 KB Output is correct
22 Correct 4 ms 328 KB Output is correct
23 Correct 4 ms 328 KB Output is correct
24 Correct 3 ms 328 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 4 ms 328 KB Output is correct
29 Correct 2 ms 328 KB Output is correct
30 Correct 3 ms 328 KB Output is correct
31 Correct 4 ms 328 KB Output is correct
32 Correct 4 ms 328 KB Output is correct
33 Correct 1 ms 200 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 328 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 2 ms 328 KB Output is correct
38 Correct 3 ms 328 KB Output is correct
39 Correct 2 ms 328 KB Output is correct
40 Correct 1 ms 200 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 200 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 4 ms 200 KB Output is correct
45 Correct 15 ms 328 KB Output is correct
46 Correct 8 ms 328 KB Output is correct
47 Correct 14 ms 328 KB Output is correct
48 Correct 3 ms 328 KB Output is correct
49 Correct 18 ms 328 KB Output is correct
50 Correct 19 ms 328 KB Output is correct
51 Correct 16 ms 328 KB Output is correct
52 Correct 15 ms 328 KB Output is correct
53 Correct 19 ms 324 KB Output is correct
54 Correct 23 ms 328 KB Output is correct
55 Correct 13 ms 328 KB Output is correct
56 Correct 5 ms 328 KB Output is correct
57 Correct 1 ms 328 KB Output is correct
58 Execution timed out 4062 ms 584 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Execution timed out 4048 ms 33684 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 285 ms 19288 KB Output is correct
5 Correct 1177 ms 41764 KB Output is correct
6 Correct 686 ms 7092 KB Output is correct
7 Correct 1237 ms 41684 KB Output is correct
8 Correct 799 ms 14580 KB Output is correct
9 Correct 1319 ms 41716 KB Output is correct
10 Correct 1227 ms 41832 KB Output is correct
11 Correct 1132 ms 41832 KB Output is correct
12 Correct 1372 ms 41784 KB Output is correct
13 Correct 1261 ms 41716 KB Output is correct
14 Correct 1349 ms 41832 KB Output is correct
15 Correct 835 ms 41772 KB Output is correct
16 Correct 1320 ms 41788 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 4 ms 328 KB Output is correct
21 Correct 3 ms 328 KB Output is correct
22 Correct 3 ms 328 KB Output is correct
23 Correct 2 ms 328 KB Output is correct
24 Correct 4 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 2 ms 456 KB Output is correct
27 Correct 26 ms 712 KB Output is correct
28 Correct 18 ms 712 KB Output is correct
29 Correct 18 ms 712 KB Output is correct
30 Correct 24 ms 712 KB Output is correct
31 Correct 28 ms 712 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 120 ms 24312 KB Output is correct
34 Correct 283 ms 41716 KB Output is correct
35 Correct 166 ms 41728 KB Output is correct
36 Correct 197 ms 41728 KB Output is correct
37 Correct 243 ms 41788 KB Output is correct
38 Correct 163 ms 41748 KB Output is correct

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 285 ms 19288 KB Output is correct
5 Correct 1177 ms 41764 KB Output is correct
6 Correct 686 ms 7092 KB Output is correct
7 Correct 1237 ms 41684 KB Output is correct
8 Correct 799 ms 14580 KB Output is correct
9 Correct 1319 ms 41716 KB Output is correct
10 Correct 1227 ms 41832 KB Output is correct
11 Correct 1132 ms 41832 KB Output is correct
12 Correct 1372 ms 41784 KB Output is correct
13 Correct 1261 ms 41716 KB Output is correct
14 Correct 1349 ms 41832 KB Output is correct
15 Correct 835 ms 41772 KB Output is correct
16 Correct 1320 ms 41788 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 4 ms 328 KB Output is correct
21 Correct 3 ms 328 KB Output is correct
22 Correct 3 ms 328 KB Output is correct
23 Correct 2 ms 328 KB Output is correct
24 Correct 4 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 2 ms 456 KB Output is correct
27 Correct 26 ms 712 KB Output is correct
28 Correct 18 ms 712 KB Output is correct
29 Correct 18 ms 712 KB Output is correct
30 Correct 24 ms 712 KB Output is correct
31 Correct 28 ms 712 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 120 ms 24312 KB Output is correct
34 Correct 283 ms 41716 KB Output is correct
35 Correct 166 ms 41728 KB Output is correct
36 Correct 197 ms 41728 KB Output is correct
37 Correct 243 ms 41788 KB Output is correct
38 Correct 163 ms 41748 KB Output is correct
39 Correct 1 ms 200 KB Output is correct
40 Correct 1 ms 200 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 312 ms 19252 KB Output is correct
43 Correct 1412 ms 41716 KB Output is correct
44 Correct 768 ms 7148 KB Output is correct
45 Correct 1482 ms 41828 KB Output is correct
46 Correct 655 ms 14584 KB Output is correct
47 Correct 1253 ms 41704 KB Output is correct
48 Correct 1087 ms 41752 KB Output is correct
49 Correct 1160 ms 41712 KB Output is correct
50 Correct 1130 ms 41788 KB Output is correct
51 Correct 1150 ms 41716 KB Output is correct
52 Correct 1364 ms 41704 KB Output is correct
53 Correct 1133 ms 41708 KB Output is correct
54 Correct 1118 ms 41772 KB Output is correct
55 Correct 1 ms 200 KB Output is correct
56 Execution timed out 4073 ms 41596 KB Time limit exceeded
57 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Execution timed out 4046 ms 33344 KB Time limit exceeded
4 Halted 0 ms 0 KB -