oj.uz

Submission #413921

# Submission time Handle Problem Language Result Execution time Memory
413921 2021-05-29T17:20:50 Z flashmt Rainforest Jumps (APIO21_jumps) C++17
35 / 100
 1684 ms 58368 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 200200;
const int LG = 19;

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

int isValid(int x)
{
  return x >= 0 && x < n;
}

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);
  memset(l, -1, sizeof l);
  memset(r, -1, sizeof r);
  memset(high, -1, sizeof high);
  for (auto [_, i] : sortedH)
  {
    auto it = s.lower_bound(i);
    r[i][0] = *it;
    l[i][0] = *(--it);
    if (!isValid(l[i][0]) && !isValid(r[i][0]));
    else if (!isValid(l[i][0])) high[i][0] = r[i][0];
    else if (!isValid(r[i][0])) high[i][0] = l[i][0];
    else if (h[l[i][0]] > h[r[i][0]]) high[i][0] = l[i][0];
    else high[i][0] = r[i][0];
    s.insert(i);
  }
}

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

void init(int N, vector<int> H) {
  n = N;
  h = H;
  h[n] = 0;
  initEdges();
  constructTable();
}

int jump(int &s, int table[N][LG], function<int(int)> cond)
{
  int res = 0;
  for (int i = LG - 1; i >= 0; i--)
  {
    int x = table[s][i];
    if (isValid(x) && cond(x))
    {
      s = x;
      res |= 1 << i;
    }
  }
  return res;
}

int minimum_jumps(int A, int B, int C, int D) {
  int s = B;
  // find where to start
  jump(s, l, [&](int x) {
    return x >= A && r[x][0] >= 0 && r[x][0] <= D;
  });
  // use high edges as most as possible
  int ans = jump(s, high, [&](int x) {
    return r[x][0] >= 0 && r[x][0] < C;
  });
  // check if we need to go 1 more high step
  if (r[s][0] >= 0 && r[s][0] < C)
  {
    int x = high[s][0];
    if (isValid(x) && r[x][0] >= 0 && r[x][0] <= D)
    {
      s = x;
      ans++;
    }
  }
  // just go right
  ans += jump(s, r, [&](int x) {
    return x < C;
  });
  return r[s][0] >= C && r[s][0] <= D ? ans + 1 : -1;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 44872 KB Output is correct
2 Correct 21 ms 44856 KB Output is correct
3 Correct 292 ms 55416 KB Output is correct
4 Correct 1601 ms 58252 KB Output is correct
5 Correct 1374 ms 51584 KB Output is correct
6 Correct 1618 ms 58252 KB Output is correct
7 Correct 1184 ms 53952 KB Output is correct
8 Correct 1402 ms 58248 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 44892 KB Output is correct
2 Correct 20 ms 44872 KB Output is correct
3 Correct 21 ms 44828 KB Output is correct
4 Correct 25 ms 44824 KB Output is correct
5 Correct 22 ms 44896 KB Output is correct
6 Correct 25 ms 44844 KB Output is correct
7 Correct 22 ms 44856 KB Output is correct
8 Correct 24 ms 44856 KB Output is correct
9 Correct 22 ms 44904 KB Output is correct
10 Correct 25 ms 44872 KB Output is correct
11 Correct 24 ms 44904 KB Output is correct
12 Correct 23 ms 44872 KB Output is correct
13 Correct 22 ms 44916 KB Output is correct
14 Correct 26 ms 44820 KB Output is correct
15 Correct 26 ms 44936 KB Output is correct
16 Correct 30 ms 44924 KB Output is correct
17 Correct 25 ms 44872 KB Output is correct
18 Correct 24 ms 44944 KB Output is correct
19 Correct 24 ms 44912 KB Output is correct
20 Correct 25 ms 44872 KB Output is correct
21 Correct 27 ms 44892 KB Output is correct
22 Correct 24 ms 44872 KB Output is correct
23 Correct 25 ms 44900 KB Output is correct
24 Correct 25 ms 45000 KB Output is correct
25 Correct 23 ms 44896 KB Output is correct
26 Correct 22 ms 44860 KB Output is correct
27 Correct 22 ms 44872 KB Output is correct
28 Correct 25 ms 44936 KB Output is correct
29 Correct 21 ms 44872 KB Output is correct
30 Correct 24 ms 44976 KB Output is correct
31 Correct 24 ms 44872 KB Output is correct
32 Correct 24 ms 44900 KB Output is correct
33 Correct 22 ms 44912 KB Output is correct
34 Correct 23 ms 44924 KB Output is correct
35 Correct 20 ms 44872 KB Output is correct
36 Correct 21 ms 44920 KB Output is correct
37 Correct 22 ms 44892 KB Output is correct
38 Correct 22 ms 44864 KB Output is correct
39 Correct 22 ms 44868 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 44892 KB Output is correct
2 Correct 20 ms 44872 KB Output is correct
3 Correct 21 ms 44828 KB Output is correct
4 Correct 25 ms 44824 KB Output is correct
5 Correct 22 ms 44896 KB Output is correct
6 Correct 25 ms 44844 KB Output is correct
7 Correct 22 ms 44856 KB Output is correct
8 Correct 24 ms 44856 KB Output is correct
9 Correct 22 ms 44904 KB Output is correct
10 Correct 25 ms 44872 KB Output is correct
11 Correct 24 ms 44904 KB Output is correct
12 Correct 23 ms 44872 KB Output is correct
13 Correct 22 ms 44916 KB Output is correct
14 Correct 26 ms 44820 KB Output is correct
15 Correct 26 ms 44936 KB Output is correct
16 Correct 30 ms 44924 KB Output is correct
17 Correct 25 ms 44872 KB Output is correct
18 Correct 24 ms 44944 KB Output is correct
19 Correct 24 ms 44912 KB Output is correct
20 Correct 25 ms 44872 KB Output is correct
21 Correct 27 ms 44892 KB Output is correct
22 Correct 24 ms 44872 KB Output is correct
23 Correct 25 ms 44900 KB Output is correct
24 Correct 25 ms 45000 KB Output is correct
25 Correct 23 ms 44896 KB Output is correct
26 Correct 22 ms 44860 KB Output is correct
27 Correct 22 ms 44872 KB Output is correct
28 Correct 25 ms 44936 KB Output is correct
29 Correct 21 ms 44872 KB Output is correct
30 Correct 24 ms 44976 KB Output is correct
31 Correct 24 ms 44872 KB Output is correct
32 Correct 24 ms 44900 KB Output is correct
33 Correct 22 ms 44912 KB Output is correct
34 Correct 23 ms 44924 KB Output is correct
35 Correct 20 ms 44872 KB Output is correct
36 Correct 21 ms 44920 KB Output is correct
37 Correct 22 ms 44892 KB Output is correct
38 Correct 22 ms 44864 KB Output is correct
39 Correct 22 ms 44868 KB Output is correct
40 Correct 22 ms 44992 KB Output is correct
41 Correct 23 ms 44844 KB Output is correct
42 Correct 21 ms 44872 KB Output is correct
43 Correct 29 ms 44872 KB Output is correct
44 Correct 25 ms 44848 KB Output is correct
45 Correct 27 ms 44860 KB Output is correct
46 Correct 23 ms 44856 KB Output is correct
47 Correct 23 ms 44864 KB Output is correct
48 Correct 21 ms 44932 KB Output is correct
49 Correct 22 ms 44968 KB Output is correct
50 Correct 21 ms 44920 KB Output is correct
51 Correct 25 ms 44852 KB Output is correct
52 Correct 30 ms 44928 KB Output is correct
53 Correct 22 ms 44924 KB Output is correct
54 Correct 24 ms 44872 KB Output is correct
55 Correct 24 ms 44888 KB Output is correct
56 Correct 27 ms 44880 KB Output is correct
57 Correct 19 ms 44880 KB Output is correct
58 Correct 44 ms 45052 KB Output is correct
59 Correct 58 ms 45024 KB Output is correct
60 Correct 30 ms 44936 KB Output is correct
61 Correct 49 ms 45080 KB Output is correct
62 Correct 36 ms 44928 KB Output is correct
63 Correct 39 ms 45144 KB Output is correct
64 Correct 45 ms 44984 KB Output is correct
65 Correct 35 ms 45064 KB Output is correct
66 Correct 51 ms 45000 KB Output is correct
67 Correct 45 ms 45024 KB Output is correct
68 Correct 41 ms 45028 KB Output is correct
69 Correct 56 ms 45048 KB Output is correct
70 Correct 51 ms 45000 KB Output is correct
71 Correct 22 ms 44872 KB Output is correct
72 Correct 22 ms 44872 KB Output is correct
73 Correct 28 ms 44872 KB Output is correct
74 Correct 26 ms 44888 KB Output is correct
75 Correct 25 ms 45008 KB Output is correct
76 Correct 23 ms 44872 KB Output is correct
77 Correct 24 ms 44872 KB Output is correct
78 Correct 22 ms 44896 KB Output is correct
79 Correct 21 ms 44904 KB Output is correct
80 Correct 21 ms 44872 KB Output is correct
81 Correct 23 ms 44872 KB Output is correct
82 Correct 24 ms 44892 KB Output is correct
83 Correct 29 ms 44844 KB Output is correct
84 Correct 25 ms 44872 KB Output is correct
85 Correct 23 ms 44892 KB Output is correct
86 Correct 21 ms 44952 KB Output is correct
87 Correct 22 ms 44916 KB Output is correct
88 Correct 23 ms 44980 KB Output is correct
89 Correct 26 ms 44968 KB Output is correct
90 Correct 22 ms 44896 KB Output is correct
91 Correct 21 ms 44844 KB Output is correct
92 Correct 24 ms 44896 KB Output is correct
93 Correct 21 ms 44884 KB Output is correct
94 Runtime error 4 ms 328 KB Execution killed with signal 6
95 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 44872 KB Output is correct
2 Correct 24 ms 44916 KB Output is correct
3 Correct 22 ms 44872 KB Output is correct
4 Correct 23 ms 44916 KB Output is correct
5 Correct 220 ms 55540 KB Output is correct
6 Correct 289 ms 58148 KB Output is correct
7 Correct 169 ms 51752 KB Output is correct
8 Correct 301 ms 58244 KB Output is correct
9 Runtime error 7 ms 1104 KB Execution killed with signal 6
10 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 44864 KB Output is correct
2 Correct 24 ms 44944 KB Output is correct
3 Correct 22 ms 44880 KB Output is correct
4 Correct 369 ms 50976 KB Output is correct
5 Correct 1484 ms 58220 KB Output is correct
6 Correct 998 ms 47116 KB Output is correct
7 Correct 1259 ms 58160 KB Output is correct
8 Correct 801 ms 49604 KB Output is correct
9 Correct 1384 ms 58160 KB Output is correct
10 Correct 1632 ms 58236 KB Output is correct
11 Correct 1395 ms 58160 KB Output is correct
12 Correct 1382 ms 58148 KB Output is correct
13 Correct 1387 ms 58144 KB Output is correct
14 Correct 1614 ms 58160 KB Output is correct
15 Correct 1363 ms 58216 KB Output is correct
16 Correct 1180 ms 58368 KB Output is correct
17 Correct 21 ms 44928 KB Output is correct
18 Correct 21 ms 44840 KB Output is correct
19 Correct 26 ms 44836 KB Output is correct
20 Correct 23 ms 44872 KB Output is correct
21 Correct 24 ms 44864 KB Output is correct
22 Correct 24 ms 44872 KB Output is correct
23 Correct 25 ms 44916 KB Output is correct
24 Correct 22 ms 44872 KB Output is correct
25 Correct 22 ms 44872 KB Output is correct
26 Correct 22 ms 44884 KB Output is correct
27 Correct 41 ms 45000 KB Output is correct
28 Correct 51 ms 45000 KB Output is correct
29 Correct 41 ms 45004 KB Output is correct
30 Correct 53 ms 45000 KB Output is correct
31 Correct 51 ms 45112 KB Output is correct
32 Correct 22 ms 44904 KB Output is correct
33 Correct 142 ms 52612 KB Output is correct
34 Correct 275 ms 58244 KB Output is correct
35 Correct 204 ms 58232 KB Output is correct
36 Correct 242 ms 58160 KB Output is correct
37 Correct 290 ms 58252 KB Output is correct
38 Correct 197 ms 58192 KB Output is correct

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 44864 KB Output is correct
2 Correct 24 ms 44944 KB Output is correct
3 Correct 22 ms 44880 KB Output is correct
4 Correct 369 ms 50976 KB Output is correct
5 Correct 1484 ms 58220 KB Output is correct
6 Correct 998 ms 47116 KB Output is correct
7 Correct 1259 ms 58160 KB Output is correct
8 Correct 801 ms 49604 KB Output is correct
9 Correct 1384 ms 58160 KB Output is correct
10 Correct 1632 ms 58236 KB Output is correct
11 Correct 1395 ms 58160 KB Output is correct
12 Correct 1382 ms 58148 KB Output is correct
13 Correct 1387 ms 58144 KB Output is correct
14 Correct 1614 ms 58160 KB Output is correct
15 Correct 1363 ms 58216 KB Output is correct
16 Correct 1180 ms 58368 KB Output is correct
17 Correct 21 ms 44928 KB Output is correct
18 Correct 21 ms 44840 KB Output is correct
19 Correct 26 ms 44836 KB Output is correct
20 Correct 23 ms 44872 KB Output is correct
21 Correct 24 ms 44864 KB Output is correct
22 Correct 24 ms 44872 KB Output is correct
23 Correct 25 ms 44916 KB Output is correct
24 Correct 22 ms 44872 KB Output is correct
25 Correct 22 ms 44872 KB Output is correct
26 Correct 22 ms 44884 KB Output is correct
27 Correct 41 ms 45000 KB Output is correct
28 Correct 51 ms 45000 KB Output is correct
29 Correct 41 ms 45004 KB Output is correct
30 Correct 53 ms 45000 KB Output is correct
31 Correct 51 ms 45112 KB Output is correct
32 Correct 22 ms 44904 KB Output is correct
33 Correct 142 ms 52612 KB Output is correct
34 Correct 275 ms 58244 KB Output is correct
35 Correct 204 ms 58232 KB Output is correct
36 Correct 242 ms 58160 KB Output is correct
37 Correct 290 ms 58252 KB Output is correct
38 Correct 197 ms 58192 KB Output is correct
39 Correct 21 ms 44872 KB Output is correct
40 Correct 21 ms 44924 KB Output is correct
41 Correct 21 ms 44916 KB Output is correct
42 Correct 373 ms 50988 KB Output is correct
43 Correct 1143 ms 58288 KB Output is correct
44 Correct 784 ms 47036 KB Output is correct
45 Correct 1146 ms 58164 KB Output is correct
46 Correct 655 ms 49412 KB Output is correct
47 Correct 1442 ms 58248 KB Output is correct
48 Correct 1195 ms 58136 KB Output is correct
49 Correct 1457 ms 58172 KB Output is correct
50 Correct 1445 ms 58224 KB Output is correct
51 Correct 1301 ms 58212 KB Output is correct
52 Correct 1477 ms 58140 KB Output is correct
53 Correct 1187 ms 58244 KB Output is correct
54 Correct 1194 ms 58288 KB Output is correct
55 Correct 22 ms 44872 KB Output is correct
56 Correct 372 ms 58096 KB Output is correct
57 Correct 1388 ms 58136 KB Output is correct
58 Correct 638 ms 47240 KB Output is correct
59 Correct 1447 ms 58260 KB Output is correct
60 Correct 568 ms 49588 KB Output is correct
61 Correct 1202 ms 58160 KB Output is correct
62 Correct 1456 ms 58168 KB Output is correct
63 Correct 1548 ms 58224 KB Output is correct
64 Correct 1506 ms 58136 KB Output is correct
65 Correct 1208 ms 58140 KB Output is correct
66 Correct 1684 ms 58136 KB Output is correct
67 Correct 1240 ms 58144 KB Output is correct
68 Correct 1169 ms 58160 KB Output is correct
69 Correct 21 ms 44872 KB Output is correct
70 Correct 22 ms 44872 KB Output is correct
71 Correct 23 ms 44864 KB Output is correct
72 Correct 23 ms 44872 KB Output is correct
73 Correct 26 ms 44876 KB Output is correct
74 Correct 29 ms 44864 KB Output is correct
75 Correct 24 ms 44872 KB Output is correct
76 Correct 22 ms 44932 KB Output is correct
77 Correct 22 ms 44912 KB Output is correct
78 Correct 22 ms 44840 KB Output is correct
79 Correct 24 ms 44872 KB Output is correct
80 Correct 25 ms 44872 KB Output is correct
81 Correct 24 ms 44864 KB Output is correct
82 Correct 25 ms 44888 KB Output is correct
83 Correct 23 ms 44872 KB Output is correct
84 Correct 21 ms 44872 KB Output is correct
85 Runtime error 3 ms 328 KB Execution killed with signal 6
86 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 44872 KB Output is correct
2 Correct 21 ms 44856 KB Output is correct
3 Correct 292 ms 55416 KB Output is correct
4 Correct 1601 ms 58252 KB Output is correct
5 Correct 1374 ms 51584 KB Output is correct
6 Correct 1618 ms 58252 KB Output is correct
7 Correct 1184 ms 53952 KB Output is correct
8 Correct 1402 ms 58248 KB Output is correct
9 Correct 22 ms 44892 KB Output is correct
10 Correct 20 ms 44872 KB Output is correct
11 Correct 21 ms 44828 KB Output is correct
12 Correct 25 ms 44824 KB Output is correct
13 Correct 22 ms 44896 KB Output is correct
14 Correct 25 ms 44844 KB Output is correct
15 Correct 22 ms 44856 KB Output is correct
16 Correct 24 ms 44856 KB Output is correct
17 Correct 22 ms 44904 KB Output is correct
18 Correct 25 ms 44872 KB Output is correct
19 Correct 24 ms 44904 KB Output is correct
20 Correct 23 ms 44872 KB Output is correct
21 Correct 22 ms 44916 KB Output is correct
22 Correct 26 ms 44820 KB Output is correct
23 Correct 26 ms 44936 KB Output is correct
24 Correct 30 ms 44924 KB Output is correct
25 Correct 25 ms 44872 KB Output is correct
26 Correct 24 ms 44944 KB Output is correct
27 Correct 24 ms 44912 KB Output is correct
28 Correct 25 ms 44872 KB Output is correct
29 Correct 27 ms 44892 KB Output is correct
30 Correct 24 ms 44872 KB Output is correct
31 Correct 25 ms 44900 KB Output is correct
32 Correct 25 ms 45000 KB Output is correct
33 Correct 23 ms 44896 KB Output is correct
34 Correct 22 ms 44860 KB Output is correct
35 Correct 22 ms 44872 KB Output is correct
36 Correct 25 ms 44936 KB Output is correct
37 Correct 21 ms 44872 KB Output is correct
38 Correct 24 ms 44976 KB Output is correct
39 Correct 24 ms 44872 KB Output is correct
40 Correct 24 ms 44900 KB Output is correct
41 Correct 22 ms 44912 KB Output is correct
42 Correct 23 ms 44924 KB Output is correct
43 Correct 20 ms 44872 KB Output is correct
44 Correct 21 ms 44920 KB Output is correct
45 Correct 22 ms 44892 KB Output is correct
46 Correct 22 ms 44864 KB Output is correct
47 Correct 22 ms 44868 KB Output is correct
48 Correct 22 ms 44992 KB Output is correct
49 Correct 23 ms 44844 KB Output is correct
50 Correct 21 ms 44872 KB Output is correct
51 Correct 29 ms 44872 KB Output is correct
52 Correct 25 ms 44848 KB Output is correct
53 Correct 27 ms 44860 KB Output is correct
54 Correct 23 ms 44856 KB Output is correct
55 Correct 23 ms 44864 KB Output is correct
56 Correct 21 ms 44932 KB Output is correct
57 Correct 22 ms 44968 KB Output is correct
58 Correct 21 ms 44920 KB Output is correct
59 Correct 25 ms 44852 KB Output is correct
60 Correct 30 ms 44928 KB Output is correct
61 Correct 22 ms 44924 KB Output is correct
62 Correct 24 ms 44872 KB Output is correct
63 Correct 24 ms 44888 KB Output is correct
64 Correct 27 ms 44880 KB Output is correct
65 Correct 19 ms 44880 KB Output is correct
66 Correct 44 ms 45052 KB Output is correct
67 Correct 58 ms 45024 KB Output is correct
68 Correct 30 ms 44936 KB Output is correct
69 Correct 49 ms 45080 KB Output is correct
70 Correct 36 ms 44928 KB Output is correct
71 Correct 39 ms 45144 KB Output is correct
72 Correct 45 ms 44984 KB Output is correct
73 Correct 35 ms 45064 KB Output is correct
74 Correct 51 ms 45000 KB Output is correct
75 Correct 45 ms 45024 KB Output is correct
76 Correct 41 ms 45028 KB Output is correct
77 Correct 56 ms 45048 KB Output is correct
78 Correct 51 ms 45000 KB Output is correct
79 Correct 22 ms 44872 KB Output is correct
80 Correct 22 ms 44872 KB Output is correct
81 Correct 28 ms 44872 KB Output is correct
82 Correct 26 ms 44888 KB Output is correct
83 Correct 25 ms 45008 KB Output is correct
84 Correct 23 ms 44872 KB Output is correct
85 Correct 24 ms 44872 KB Output is correct
86 Correct 22 ms 44896 KB Output is correct
87 Correct 21 ms 44904 KB Output is correct
88 Correct 21 ms 44872 KB Output is correct
89 Correct 23 ms 44872 KB Output is correct
90 Correct 24 ms 44892 KB Output is correct
91 Correct 29 ms 44844 KB Output is correct
92 Correct 25 ms 44872 KB Output is correct
93 Correct 23 ms 44892 KB Output is correct
94 Correct 21 ms 44952 KB Output is correct
95 Correct 22 ms 44916 KB Output is correct
96 Correct 23 ms 44980 KB Output is correct
97 Correct 26 ms 44968 KB Output is correct
98 Correct 22 ms 44896 KB Output is correct
99 Correct 21 ms 44844 KB Output is correct
100 Correct 24 ms 44896 KB Output is correct
101 Correct 21 ms 44884 KB Output is correct
102 Runtime error 4 ms 328 KB Execution killed with signal 6
103 Halted 0 ms 0 KB -