oj.uz

Submission #979711

# Submission time Handle Problem Language Result Execution time Memory
979711 2024-05-11T10:16:11 Z nnin Rainforest Jumps (APIO21_jumps) C++14
77 / 100
 4000 ms 45188 KB 
#include "jumps.h"
#include <bits/stdc++.h>
#define pii pair<int,int>
using namespace std;

int n, l[200005], r[200005], jump[200005][20], jump2[200005][20];
vector<int> h;

struct segTree {
  pii seg[4*200005];

  void build(int i, int l, int r) {
    if(l==r) {
      seg[i] = {h[l], l};
      return;
    }
    int m = (l+r)/2;
    build(i*2+1, l, m);
    build(i*2+2, m+1, r);
    seg[i] = max(seg[i*2+1], seg[i*2+2]);
  }

  pii query(int i, int l, int r, int wl, int wr) {
    if(wl>r || wr<l) return {-2e9, -1};
    if(wl<=l && wr>=r) return seg[i];
    int m = (l+r)/2;
    return max(query(i*2+1, l, m, wl, wr), query(i*2+2, m+1, r, wl, wr));
  }
}t;

void init(int N, std::vector<int> H) {
  n = N;
  h = H;
  stack<int> st;
  for(int i=0;i<n;i++) {
    while(!st.empty() && H[st.top()]<H[i]) st.pop();
    if(st.empty()) l[i] = -1;
    else l[i] = st.top();
    st.push(i);
  }
  while(!st.empty()) st.pop();
  for(int i=n-1;i>=0;i--) {
    while(!st.empty() && H[st.top()]<H[i]) st.pop();
    if(st.empty()) r[i] = n;
    else r[i] = st.top();
    st.push(i);
  }
  t.build(0, 0, n-1);
  h.push_back(n+1);
  for(int i=0;i<n;i++) {
    int mx = l[i], mx2 = r[i];
    if(mx==-1) mx = n;
    if(h[mx]<h[mx2]) swap(mx, mx2);
    jump[i][0] = mx;
    jump2[i][0] = mx2;
  }
  jump[n][0] = jump2[n][0] = n;
  for(int j=1;j<20;j++) for(int i=0;i<=n;i++) jump[i][j] = jump[jump[i][j-1]][j-1];
  for(int j=1;j<20;j++) for(int i=0;i<=n;i++) jump2[i][j] = jump2[jump2[i][j-1]][j-1];
}

int subtask3(int A, int B, int C, int D) {
  vector<int> mindis(n, 2e9);
  priority_queue<pii, vector<pii>, greater<pii>> pq;
  for(int i=A;i<=B;i++) {
    mindis[i] = 0;
    pq.push({0, i});
  }
  while(!pq.empty()) {
    auto [dis, u] = pq.top();
    pq.pop();
    if(mindis[u]!=dis) continue;
    if(u>=C && u<=D) return dis;
    if(l[u]>=0) {
      if(mindis[l[u]]>dis+1) {
        mindis[l[u]] = dis+1;
        pq.push({dis+1, l[u]});
      }
    }
    if(r[u]<n) {
      if(mindis[r[u]]>dis+1) {
        mindis[r[u]] = dis+1;
        pq.push({dis+1, r[u]});
      }
    }
  }
  return -1;
}

int subtask5(int A, int B, int C) {
  A = t.query(0, 0, n-1, max(A, l[C]+1), min(B, r[C]-1)).second;
  if(A==-1) return -1;
  int ans = 0;
  for(int i=19;i>=0;i--) if(h[jump[A][i]]<h[C]) {
    A = jump[A][i];
    ans += (1<<i);
  }
  if(jump[A][0]==C) return ans+1;
  for(int i=19;i>=0;i--) if(h[jump2[A][i]]<h[C]) {
    A = jump2[A][i];
    ans += (1<<i);
  }
  if(jump2[A][0]==C) return ans+1;
  return -1;
}

int minimum_jumps(int A, int B, int C, int D) {
  if(C==D) return subtask5(A, B, C);
  return subtask3(A, B, C, D);
}

Compilation message

jumps.cpp: In function 'int subtask3(int, int, int, int)':
jumps.cpp:70:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   70 |     auto [dis, u] = pq.top();
      |          ^

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Execution timed out 4078 ms 42908 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 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 1 ms 6488 KB Output is correct
4 Correct 1 ms 6488 KB Output is correct
5 Correct 2 ms 6488 KB Output is correct
6 Correct 2 ms 6488 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 6488 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct
11 Correct 2 ms 6488 KB Output is correct
12 Correct 3 ms 6488 KB Output is correct
13 Correct 2 ms 6488 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 2 ms 6784 KB Output is correct
16 Correct 2 ms 6488 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 1 ms 6488 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 2 ms 6736 KB Output is correct
29 Correct 2 ms 6488 KB Output is correct
30 Correct 2 ms 6488 KB Output is correct
31 Correct 2 ms 6488 KB Output is correct
32 Correct 2 ms 6488 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6488 KB Output is correct
35 Correct 1 ms 6488 KB Output is correct
36 Correct 1 ms 6488 KB Output is correct
37 Correct 1 ms 6488 KB Output is correct
38 Correct 1 ms 6488 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 1 ms 6488 KB Output is correct
4 Correct 1 ms 6488 KB Output is correct
5 Correct 2 ms 6488 KB Output is correct
6 Correct 2 ms 6488 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 6488 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct
11 Correct 2 ms 6488 KB Output is correct
12 Correct 3 ms 6488 KB Output is correct
13 Correct 2 ms 6488 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 2 ms 6784 KB Output is correct
16 Correct 2 ms 6488 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 1 ms 6488 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 2 ms 6736 KB Output is correct
29 Correct 2 ms 6488 KB Output is correct
30 Correct 2 ms 6488 KB Output is correct
31 Correct 2 ms 6488 KB Output is correct
32 Correct 2 ms 6488 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6488 KB Output is correct
35 Correct 1 ms 6488 KB Output is correct
36 Correct 1 ms 6488 KB Output is correct
37 Correct 1 ms 6488 KB Output is correct
38 Correct 1 ms 6488 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 1 ms 6488 KB Output is correct
42 Correct 1 ms 6488 KB Output is correct
43 Correct 1 ms 6488 KB Output is correct
44 Correct 1 ms 6488 KB Output is correct
45 Correct 3 ms 6488 KB Output is correct
46 Correct 2 ms 6488 KB Output is correct
47 Correct 2 ms 6744 KB Output is correct
48 Correct 1 ms 6744 KB Output is correct
49 Correct 2 ms 6488 KB Output is correct
50 Correct 2 ms 6488 KB Output is correct
51 Correct 2 ms 6488 KB Output is correct
52 Correct 2 ms 6488 KB Output is correct
53 Correct 2 ms 6740 KB Output is correct
54 Correct 3 ms 6488 KB Output is correct
55 Correct 3 ms 6488 KB Output is correct
56 Correct 2 ms 6488 KB Output is correct
57 Correct 1 ms 6488 KB Output is correct
58 Correct 41 ms 8792 KB Output is correct
59 Correct 63 ms 8692 KB Output is correct
60 Correct 9 ms 8536 KB Output is correct
61 Correct 62 ms 8700 KB Output is correct
62 Correct 11 ms 6484 KB Output is correct
63 Correct 60 ms 8696 KB Output is correct
64 Correct 69 ms 8704 KB Output is correct
65 Correct 71 ms 8708 KB Output is correct
66 Correct 71 ms 8704 KB Output is correct
67 Correct 60 ms 8696 KB Output is correct
68 Correct 91 ms 8792 KB Output is correct
69 Correct 72 ms 8704 KB Output is correct
70 Correct 40 ms 8536 KB Output is correct
71 Correct 1 ms 6488 KB Output is correct
72 Correct 1 ms 6488 KB Output is correct
73 Correct 2 ms 6488 KB Output is correct
74 Correct 2 ms 6488 KB Output is correct
75 Correct 3 ms 6488 KB Output is correct
76 Correct 2 ms 6488 KB Output is correct
77 Correct 2 ms 6488 KB Output is correct
78 Correct 1 ms 6488 KB Output is correct
79 Correct 1 ms 6488 KB Output is correct
80 Correct 2 ms 6488 KB Output is correct
81 Correct 2 ms 6524 KB Output is correct
82 Correct 2 ms 6488 KB Output is correct
83 Correct 2 ms 6488 KB Output is correct
84 Correct 2 ms 6488 KB Output is correct
85 Correct 2 ms 6488 KB Output is correct
86 Correct 1 ms 6488 KB Output is correct
87 Correct 1 ms 6488 KB Output is correct
88 Correct 1 ms 6488 KB Output is correct
89 Correct 1 ms 6488 KB Output is correct
90 Correct 1 ms 6744 KB Output is correct
91 Correct 1 ms 6488 KB Output is correct
92 Correct 2 ms 6488 KB Output is correct
93 Correct 1 ms 6488 KB Output is correct
94 Correct 2 ms 6488 KB Output is correct
95 Correct 14 ms 8536 KB Output is correct
96 Correct 12 ms 8536 KB Output is correct
97 Correct 10 ms 8536 KB Output is correct
98 Correct 11 ms 8536 KB Output is correct
99 Correct 11 ms 8788 KB Output is correct
100 Correct 1 ms 6488 KB Output is correct
101 Correct 1 ms 6488 KB Output is correct
102 Correct 10 ms 8536 KB Output is correct
103 Correct 12 ms 8536 KB Output is correct
104 Correct 9 ms 8536 KB Output is correct
105 Correct 11 ms 8536 KB Output is correct
106 Correct 9 ms 8536 KB Output is correct
107 Correct 1 ms 6488 KB Output is correct
108 Correct 1 ms 8536 KB Output is correct
109 Correct 2 ms 8536 KB Output is correct
110 Correct 2 ms 8536 KB Output is correct
111 Correct 1 ms 8536 KB Output is correct
112 Correct 2 ms 8536 KB Output is correct
113 Correct 1 ms 8536 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 1 ms 6488 KB Output is correct
4 Correct 1 ms 6488 KB Output is correct
5 Correct 50 ms 41044 KB Output is correct
6 Correct 68 ms 43416 KB Output is correct
7 Correct 23 ms 26288 KB Output is correct
8 Correct 81 ms 44972 KB Output is correct
9 Correct 9 ms 15604 KB Output is correct
10 Correct 57 ms 42648 KB Output is correct
11 Correct 79 ms 45188 KB Output is correct
12 Correct 72 ms 43668 KB Output is correct
13 Correct 63 ms 43536 KB Output is correct
14 Correct 61 ms 42644 KB Output is correct
15 Correct 75 ms 43604 KB Output is correct
16 Correct 84 ms 45068 KB Output is correct
17 Correct 94 ms 44872 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 1 ms 6488 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6488 KB Output is correct
23 Correct 1 ms 6488 KB Output is correct
24 Correct 1 ms 6488 KB Output is correct
25 Correct 1 ms 6488 KB Output is correct
26 Correct 1 ms 8536 KB Output is correct
27 Correct 2 ms 8536 KB Output is correct
28 Correct 2 ms 8536 KB Output is correct
29 Correct 1 ms 8536 KB Output is correct
30 Correct 2 ms 8536 KB Output is correct
31 Correct 1 ms 8536 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 54 ms 41920 KB Output is correct
34 Correct 64 ms 41936 KB Output is correct
35 Correct 49 ms 42452 KB Output is correct
36 Correct 57 ms 42048 KB Output is correct
37 Correct 48 ms 42100 KB Output is correct
38 Correct 47 ms 42760 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct
40 Correct 24 ms 30536 KB Output is correct
41 Correct 54 ms 41900 KB Output is correct
42 Correct 48 ms 42636 KB Output is correct
43 Correct 50 ms 41880 KB Output is correct
44 Correct 59 ms 42100 KB Output is correct
45 Correct 46 ms 42568 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 1 ms 6488 KB Output is correct
4 Correct 154 ms 26288 KB Output is correct
5 Correct 667 ms 41920 KB Output is correct
6 Correct 417 ms 15220 KB Output is correct
7 Correct 562 ms 41912 KB Output is correct
8 Correct 323 ms 21676 KB Output is correct
9 Correct 600 ms 41904 KB Output is correct
10 Correct 761 ms 42560 KB Output is correct
11 Correct 769 ms 42560 KB Output is correct
12 Correct 749 ms 42424 KB Output is correct
13 Correct 621 ms 41792 KB Output is correct
14 Correct 681 ms 42284 KB Output is correct
15 Correct 607 ms 42756 KB Output is correct
16 Correct 616 ms 42740 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 1 ms 6488 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 9 ms 8568 KB Output is correct
28 Correct 10 ms 8536 KB Output is correct
29 Correct 9 ms 8536 KB Output is correct
30 Correct 11 ms 8536 KB Output is correct
31 Correct 11 ms 8536 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 29 ms 30628 KB Output is correct
34 Correct 65 ms 41920 KB Output is correct
35 Correct 74 ms 42400 KB Output is correct
36 Correct 57 ms 41896 KB Output is correct
37 Correct 48 ms 42252 KB Output is correct
38 Correct 51 ms 42556 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 1 ms 6488 KB Output is correct
4 Correct 154 ms 26288 KB Output is correct
5 Correct 667 ms 41920 KB Output is correct
6 Correct 417 ms 15220 KB Output is correct
7 Correct 562 ms 41912 KB Output is correct
8 Correct 323 ms 21676 KB Output is correct
9 Correct 600 ms 41904 KB Output is correct
10 Correct 761 ms 42560 KB Output is correct
11 Correct 769 ms 42560 KB Output is correct
12 Correct 749 ms 42424 KB Output is correct
13 Correct 621 ms 41792 KB Output is correct
14 Correct 681 ms 42284 KB Output is correct
15 Correct 607 ms 42756 KB Output is correct
16 Correct 616 ms 42740 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 1 ms 6488 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 9 ms 8568 KB Output is correct
28 Correct 10 ms 8536 KB Output is correct
29 Correct 9 ms 8536 KB Output is correct
30 Correct 11 ms 8536 KB Output is correct
31 Correct 11 ms 8536 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 29 ms 30628 KB Output is correct
34 Correct 65 ms 41920 KB Output is correct
35 Correct 74 ms 42400 KB Output is correct
36 Correct 57 ms 41896 KB Output is correct
37 Correct 48 ms 42252 KB Output is correct
38 Correct 51 ms 42556 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct
40 Correct 1 ms 6564 KB Output is correct
41 Correct 1 ms 6488 KB Output is correct
42 Correct 158 ms 26288 KB Output is correct
43 Correct 653 ms 41880 KB Output is correct
44 Correct 380 ms 15316 KB Output is correct
45 Correct 586 ms 41888 KB Output is correct
46 Correct 322 ms 21788 KB Output is correct
47 Correct 571 ms 41892 KB Output is correct
48 Correct 770 ms 42736 KB Output is correct
49 Correct 701 ms 42680 KB Output is correct
50 Correct 732 ms 42392 KB Output is correct
51 Correct 614 ms 41916 KB Output is correct
52 Correct 675 ms 42280 KB Output is correct
53 Correct 588 ms 42736 KB Output is correct
54 Correct 566 ms 42752 KB Output is correct
55 Correct 1 ms 6488 KB Output is correct
56 Correct 83 ms 41924 KB Output is correct
57 Correct 611 ms 41916 KB Output is correct
58 Correct 327 ms 15284 KB Output is correct
59 Correct 613 ms 41916 KB Output is correct
60 Correct 239 ms 21824 KB Output is correct
61 Correct 577 ms 41900 KB Output is correct
62 Correct 842 ms 42668 KB Output is correct
63 Correct 794 ms 42540 KB Output is correct
64 Correct 765 ms 42396 KB Output is correct
65 Correct 582 ms 41880 KB Output is correct
66 Correct 767 ms 42544 KB Output is correct
67 Correct 641 ms 42668 KB Output is correct
68 Correct 619 ms 42752 KB Output is correct
69 Correct 1 ms 6488 KB Output is correct
70 Correct 2 ms 6488 KB Output is correct
71 Correct 2 ms 6488 KB Output is correct
72 Correct 2 ms 6488 KB Output is correct
73 Correct 2 ms 6488 KB Output is correct
74 Correct 2 ms 6488 KB Output is correct
75 Correct 2 ms 6488 KB Output is correct
76 Correct 1 ms 6484 KB Output is correct
77 Correct 1 ms 6488 KB Output is correct
78 Correct 1 ms 6488 KB Output is correct
79 Correct 2 ms 6488 KB Output is correct
80 Correct 2 ms 6488 KB Output is correct
81 Correct 2 ms 6488 KB Output is correct
82 Correct 2 ms 6488 KB Output is correct
83 Correct 2 ms 6488 KB Output is correct
84 Correct 1 ms 6488 KB Output is correct
85 Correct 2 ms 6488 KB Output is correct
86 Correct 10 ms 8536 KB Output is correct
87 Correct 10 ms 8536 KB Output is correct
88 Correct 11 ms 8792 KB Output is correct
89 Correct 13 ms 8536 KB Output is correct
90 Correct 9 ms 8536 KB Output is correct
91 Correct 1 ms 6488 KB Output is correct
92 Correct 1 ms 6740 KB Output is correct
93 Correct 9 ms 8536 KB Output is correct
94 Correct 11 ms 8536 KB Output is correct
95 Correct 8 ms 8536 KB Output is correct
96 Correct 9 ms 8536 KB Output is correct
97 Correct 10 ms 8536 KB Output is correct
98 Correct 1 ms 6488 KB Output is correct
99 Correct 69 ms 41900 KB Output is correct
100 Correct 57 ms 41876 KB Output is correct
101 Correct 48 ms 42412 KB Output is correct
102 Correct 54 ms 41932 KB Output is correct
103 Correct 52 ms 42304 KB Output is correct
104 Correct 55 ms 42664 KB Output is correct
105 Correct 1 ms 6488 KB Output is correct
106 Correct 23 ms 30824 KB Output is correct
107 Correct 50 ms 41904 KB Output is correct
108 Correct 51 ms 42416 KB Output is correct
109 Correct 56 ms 41900 KB Output is correct
110 Correct 49 ms 42252 KB Output is correct
111 Correct 43 ms 42672 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Execution timed out 4078 ms 42908 KB Time limit exceeded
4 Halted 0 ms 0 KB -