oj.uz

Submission #672046

# Submission time Handle Problem Language Result Execution time Memory
672046 2022-12-14T16:26:26 Z Vahe Rainforest Jumps (APIO21_jumps) C++17
33 / 100
 4000 ms 22208 KB 
#include "jumps.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
using namespace std;
int n, a, b, c, d;;
vector<int> h, pge, nge, dp;
vector<vector<int>> gp;

vector<int> pge_(vector<int> v)
{
    vector<int> tmp(v.size());
    stack<int> s;
    s.push(0);
    tmp[0] = -1;
    for (int i = 1; i < v.size(); i++)
    {
        while (!s.empty() && v[s.top()] < v[i]) s.pop();
        tmp[i] = (s.empty() ? -1 : s.top());
        s.push(i);
    }
    return tmp;
}
vector<int> nge_(vector<int> v)
{
    stack<int> s;
    vector<int> tmp(v.size(), -1);
    for (int i = 0; i < n; i++)
    {
        while (!s.empty() && v[s.top()] < v[i]) tmp[s.top()] = i, s.pop();
        s.push(i);
    }
    return tmp;
}

void dfs(int u)
{
    if (u >= c && u <= d) { dp[u] = 0; return; }
    if (dp[u] != 2e9) return;

    if (gp[u].size() > 0) dfs(gp[u][0]);
    if (gp[u].size() > 1) dfs(gp[u][1]);

    int x = (gp[u].size() > 0 ? dp[gp[u][0]] : 2e9);
    int y = (gp[u].size() > 1 ? dp[gp[u][1]] : 2e9);
    dp[u] = min(x, y) + 1;
}

void init(int N, vector<int> H)
{
    n = N;
    h = H;
    pge = pge_(H);
    nge = nge_(H);
    gp = vector<vector<int>>(n);
    for (int i = 0; i < n; i++)
    {
        if (pge[i] != -1) gp[i].push_back(pge[i]);
        if (nge[i] != -1) gp[i].push_back(nge[i]);
    }
}

int minimum_jumps(int A, int B, int C, int D)
{
    a = A, b = B, c = C, d = D;
    dp = vector<int>(n, 2e9);
    int mn = 2e9;
    for (int i = a; i <= b; i++) dfs(i), mn = min(mn, dp[i]);
    return (mn >= 2e9 ? -1 : mn);
}

Compilation message

jumps.cpp: In function 'std::vector<int> pge_(std::vector<int>)':
jumps.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int i = 1; i < v.size(); i++)
      |                     ~~^~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Execution timed out 4067 ms 17728 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 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 2 ms 208 KB Output is correct
17 Correct 2 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 2 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 208 KB Output is correct
27 Correct 2 ms 208 KB Output is correct
28 Correct 2 ms 208 KB Output is correct
29 Correct 2 ms 208 KB Output is correct
30 Correct 2 ms 208 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 2 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 0 ms 208 KB Output is correct
35 Correct 0 ms 208 KB Output is correct
36 Correct 0 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct

Subtask #3
13.0 / 13.0

# 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 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 2 ms 208 KB Output is correct
17 Correct 2 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 2 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 208 KB Output is correct
27 Correct 2 ms 208 KB Output is correct
28 Correct 2 ms 208 KB Output is correct
29 Correct 2 ms 208 KB Output is correct
30 Correct 2 ms 208 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 2 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 0 ms 208 KB Output is correct
35 Correct 0 ms 208 KB Output is correct
36 Correct 0 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 1 ms 208 KB Output is correct
41 Correct 0 ms 208 KB Output is correct
42 Correct 0 ms 208 KB Output is correct
43 Correct 0 ms 208 KB Output is correct
44 Correct 2 ms 208 KB Output is correct
45 Correct 2 ms 208 KB Output is correct
46 Correct 2 ms 208 KB Output is correct
47 Correct 2 ms 208 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 2 ms 208 KB Output is correct
50 Correct 4 ms 208 KB Output is correct
51 Correct 3 ms 208 KB Output is correct
52 Correct 3 ms 208 KB Output is correct
53 Correct 3 ms 208 KB Output is correct
54 Correct 2 ms 208 KB Output is correct
55 Correct 3 ms 208 KB Output is correct
56 Correct 3 ms 208 KB Output is correct
57 Correct 0 ms 208 KB Output is correct
58 Correct 28 ms 336 KB Output is correct
59 Correct 40 ms 336 KB Output is correct
60 Correct 7 ms 336 KB Output is correct
61 Correct 45 ms 336 KB Output is correct
62 Correct 16 ms 208 KB Output is correct
63 Correct 41 ms 336 KB Output is correct
64 Correct 40 ms 464 KB Output is correct
65 Correct 40 ms 464 KB Output is correct
66 Correct 46 ms 464 KB Output is correct
67 Correct 41 ms 336 KB Output is correct
68 Correct 54 ms 464 KB Output is correct
69 Correct 43 ms 452 KB Output is correct
70 Correct 42 ms 336 KB Output is correct
71 Correct 0 ms 208 KB Output is correct
72 Correct 1 ms 208 KB Output is correct
73 Correct 3 ms 208 KB Output is correct
74 Correct 3 ms 208 KB Output is correct
75 Correct 3 ms 208 KB Output is correct
76 Correct 3 ms 208 KB Output is correct
77 Correct 3 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 0 ms 208 KB Output is correct
80 Correct 2 ms 208 KB Output is correct
81 Correct 3 ms 208 KB Output is correct
82 Correct 3 ms 208 KB Output is correct
83 Correct 2 ms 208 KB Output is correct
84 Correct 3 ms 208 KB Output is correct
85 Correct 3 ms 208 KB Output is correct
86 Correct 0 ms 208 KB Output is correct
87 Correct 1 ms 208 KB Output is correct
88 Correct 1 ms 208 KB Output is correct
89 Correct 1 ms 208 KB Output is correct
90 Correct 1 ms 208 KB Output is correct
91 Correct 1 ms 208 KB Output is correct
92 Correct 1 ms 208 KB Output is correct
93 Correct 1 ms 208 KB Output is correct
94 Correct 5 ms 208 KB Output is correct
95 Correct 52 ms 336 KB Output is correct
96 Correct 42 ms 464 KB Output is correct
97 Correct 50 ms 336 KB Output is correct
98 Correct 65 ms 464 KB Output is correct
99 Correct 42 ms 464 KB Output is correct
100 Correct 0 ms 208 KB Output is correct
101 Correct 1 ms 336 KB Output is correct
102 Correct 25 ms 336 KB Output is correct
103 Correct 27 ms 504 KB Output is correct
104 Correct 21 ms 336 KB Output is correct
105 Correct 52 ms 464 KB Output is correct
106 Correct 44 ms 464 KB Output is correct
107 Correct 1 ms 208 KB Output is correct
108 Correct 1 ms 336 KB Output is correct
109 Correct 1 ms 336 KB Output is correct
110 Correct 1 ms 456 KB Output is correct
111 Correct 1 ms 448 KB Output is correct
112 Correct 1 ms 476 KB Output is correct
113 Correct 1 ms 336 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 43 ms 12888 KB Output is correct
6 Correct 54 ms 15912 KB Output is correct
7 Correct 34 ms 7816 KB Output is correct
8 Correct 52 ms 15868 KB Output is correct
9 Correct 8 ms 2556 KB Output is correct
10 Correct 65 ms 15868 KB Output is correct
11 Correct 49 ms 22208 KB Output is correct
12 Correct 47 ms 18980 KB Output is correct
13 Correct 61 ms 20368 KB Output is correct
14 Correct 48 ms 15912 KB Output is correct
15 Correct 67 ms 19048 KB Output is correct
16 Correct 49 ms 17320 KB Output is correct
17 Correct 58 ms 17400 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 440 KB Output is correct
28 Correct 1 ms 464 KB Output is correct
29 Correct 1 ms 416 KB Output is correct
30 Correct 1 ms 464 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
33 Correct 46 ms 15124 KB Output is correct
34 Correct 54 ms 15868 KB Output is correct
35 Correct 60 ms 20648 KB Output is correct
36 Correct 46 ms 15868 KB Output is correct
37 Correct 47 ms 19024 KB Output is correct
38 Correct 44 ms 18504 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 28 ms 9316 KB Output is correct
41 Correct 46 ms 15884 KB Output is correct
42 Correct 45 ms 21240 KB Output is correct
43 Correct 46 ms 15880 KB Output is correct
44 Correct 55 ms 19056 KB Output is correct
45 Correct 46 ms 21040 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 876 ms 7416 KB Output is correct
5 Execution timed out 4074 ms 15912 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 876 ms 7416 KB Output is correct
5 Execution timed out 4074 ms 15912 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Execution timed out 4067 ms 17728 KB Time limit exceeded
4 Halted 0 ms 0 KB -