oj.uz

Submission #980311

# Submission time Handle Problem Language Result Execution time Memory
980311 2024-05-12T04:50:40 Z Tsagana Rainforest Jumps (APIO21_jumps) C++14
48 / 100
 793 ms 49204 KB 
#include "jumps.h"

//OP
#include<bits/stdc++.h>
 
#define all(x) x.begin(), x.end()
#define pi pair<int, int >
#define pq priority_queue
#define pb push_back
#define eb emplace_back
#define mset multiset
#define F first
#define S second
#define meta int M = (L + R) / 2, x = 2 * id + 1, y = x + 1
 
using namespace std;
 
bool one;
 
struct tree {
  int n;
  int lj[200005];
  int rj[200005];
  int J[200005][20];
  int J2[200005][20];
  vector<int> h;
  pi t[800005];
  pi g[800005];
 
  void build(int id, int L, int R) {
    if (L == R) {t[id] = {h[L], L}; g[id] = {h[L], L}; return ;}
    meta;
    build(x, L, M);
    build(y, M + 1, R);
    t[id] = max(t[x], t[y]);
    g[id] = min(g[x], g[y]);
  } void build() {build(0, 0, n-1); return ;}
 
  pi query(int id, int L, int R, int l, int r) {
    if (R <  l || r <  L) return {-2e9, -1};
    if (l <= L && r >= R) return t[id];
    meta;
    return max(query(x, L, M, l, r), query(y, M + 1, R, l, r));
  } pi query(int L, int R) {return query(0, 0, n-1, L, R);}

  pi ub(int id, int L, int R, int i, int k) {
    if (t[id].F < k) return {-2e9, -1};
    if (L == R) return t[id];
    meta;
    if (i <= M) return ub(x, L, M, i, k);
    if (i <  R) {
      pi ans = ub(y, M + 1, R, i, k);
      if (ans.S != -1) return ans;
      return ub(x, L, M, M, k);
    }
    if (t[y].F > k) return ub(y, M + 1, R, i, k);
    return ub(x, L, M, M, k);
  } pi ub(int R, int k) {return ub(0, 0, n-1, R, k);}

  pi lb(int id, int L, int R, int l, int r, int k) {
    if (g[id].F > k) return {-2e9, -1};
    if (L == R) return t[id];
    meta;
    if (r <= M) return lb(x, L, M, l, r, k);
    if (l >  M) return lb(y, M + 1, R, l, r, k);

    if (g[y].F > k) return lb(x, L, M, l, M, k);
    if (g[x].F > k) return lb(y, M + 1, R, M + 1, r, k);
    return max(lb(x, L, M, l, M, k), lb(y, M + 1, R, M + 1, r, k));
  } pi lb(int L, int R, int k) {return lb(0, 0, n-1, L, R, k);}
 
  void take_J(vector<int> H) {
    stack<int> st;
    for (int i = 0; i < n; i++) {
      while (!st.empty() && H[st.top()] < H[i]) st.pop();
      if (st.empty()) lj[i] = -1;
      else lj[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()) rj[i] = n;
      else rj[i] = st.top();
      st.push(i);
    }
  }
 
  void set_J() {
    for (int i = 0; i < n; i++) {
      int mx = lj[i], mx2 = rj[i];
 
      if (mx == -1) mx = n;
      if (h[mx] < h[mx2]) swap(mx, mx2);
 
      J[i][0] = mx;
      J2[i][0] = mx2;
    }
 
    J[n][0] = J2[n][0] = n;
 
    for (int j = 1; j < 20; j++)
    for (int i = 0; i <= n; i++)
      J[i][j] = J[J[i][j-1]][j-1];
 
    for (int j = 1; j < 20; j++)
    for (int i = 0; i <= n; i++)
      J2[i][j] = J2[J2[i][j-1]][j-1];
  }
 
  int count(int A, int B, int C) {
    A = query(max(A, lj[C] + 1), B).S;
    if (A == -1) return -1;
    
    int ans = 0;
    
    for (int i = 19; i >= 0; i--)
    if (h[J[A][i]] < h[C]) {A = J[A][i]; ans += (1 << i);}
    if (J[A][0] == C) return ans + 1;
 
    for (int i = 19; i >= 0; i--)
    if (h[J2[A][i]] < h[C]) {A = J2[A][i]; ans += (1 << i);}
    if (J2[A][0] == C) return ans + 1;
    
    return -1;
  }

  int rount(int C, int A, int B) {
    A = query(A, min(rj[C] - 1, B)).S;
    if (A == -1) return -1;
    
    int ans = 0;
 
    for (int i = 19; i >= 0; i--)
    if (h[J[A][i]] < h[C]) {A = J[A][i]; ans += (1 << i);}
    if (J[A][0] == C) return ans + 1;
 
    for (int i = 19; i >= 0; i--)
    if (h[J2[A][i]] < h[C]) {A = J2[A][i]; ans += (1 << i);}
    if (J2[A][0] == C) return ans + 1;
    
    return -1;
  }
 
  int count(int A, int B, int C, int D) {
    pi mx = query(C, D);
    // a, b, c, d
    pi b = query(A, B);
    pi c = query(B+1, C-1);
    
    if (c > mx) return -1;
    if (b > c && b < mx) return 1;
    if (lb(A, B, mx.F).S == -1) return -1;

    int ans = count(A, B, c.S);
    if (ans != -1) ans++;

    pi a = ub(A-1, c.F);
    if (a.S != -1 && a.F < mx.F) {
      int x = rount(a.S, A, B);
      if (x != -1) ans = min(ans, x + 1);
    }
    return ans;
  }
} T;
 
void init(int N, std::vector<int> H) {
  T.n = N; T.h = H;
  T.take_J(H);
  T.build();
  T.h.pb(N + 1);
  T.set_J();
 
  one = 1;
  for (int i = 0; i < N; i++) if (H[i] != i+1) {one = 0; break;}
}
 
int minimum_jumps(int A, int B, int C, int D) {
  if (C == D) return T.count(A, B, C);
  if (one) return C-B;
  return T.count(A, B, C, D);
}
//ED

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 3 ms 18776 KB Output is correct
3 Correct 87 ms 45856 KB Output is correct
4 Correct 593 ms 48264 KB Output is correct
5 Correct 490 ms 36912 KB Output is correct
6 Correct 573 ms 48260 KB Output is correct
7 Correct 496 ms 41344 KB Output is correct
8 Correct 589 ms 48264 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 3 ms 18776 KB Output is correct
3 Correct 3 ms 18776 KB Output is correct
4 Correct 3 ms 18776 KB Output is correct
5 Incorrect 3 ms 18776 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 3 ms 18776 KB Output is correct
3 Correct 3 ms 18776 KB Output is correct
4 Correct 3 ms 18776 KB Output is correct
5 Incorrect 3 ms 18776 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 3 ms 18776 KB Output is correct
3 Correct 3 ms 18776 KB Output is correct
4 Correct 3 ms 18776 KB Output is correct
5 Correct 39 ms 45860 KB Output is correct
6 Correct 57 ms 48160 KB Output is correct
7 Correct 27 ms 36664 KB Output is correct
8 Correct 65 ms 48148 KB Output is correct
9 Correct 9 ms 23640 KB Output is correct
10 Correct 55 ms 48108 KB Output is correct
11 Correct 49 ms 48268 KB Output is correct
12 Correct 55 ms 48220 KB Output is correct
13 Correct 50 ms 48220 KB Output is correct
14 Correct 54 ms 48184 KB Output is correct
15 Correct 52 ms 48360 KB Output is correct
16 Incorrect 55 ms 48752 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 2 ms 18776 KB Output is correct
3 Correct 2 ms 18884 KB Output is correct
4 Correct 147 ms 34520 KB Output is correct
5 Correct 624 ms 48144 KB Output is correct
6 Correct 386 ms 23632 KB Output is correct
7 Correct 573 ms 48160 KB Output is correct
8 Correct 379 ms 30256 KB Output is correct
9 Correct 620 ms 48176 KB Output is correct
10 Correct 793 ms 48260 KB Output is correct
11 Correct 741 ms 48072 KB Output is correct
12 Correct 762 ms 48088 KB Output is correct
13 Correct 594 ms 48164 KB Output is correct
14 Correct 663 ms 48376 KB Output is correct
15 Correct 645 ms 48944 KB Output is correct
16 Correct 604 ms 49016 KB Output is correct
17 Correct 3 ms 18776 KB Output is correct
18 Correct 2 ms 18776 KB Output is correct
19 Correct 3 ms 18776 KB Output is correct
20 Correct 3 ms 18776 KB Output is correct
21 Correct 3 ms 18776 KB Output is correct
22 Correct 3 ms 18776 KB Output is correct
23 Correct 4 ms 18872 KB Output is correct
24 Correct 3 ms 19028 KB Output is correct
25 Correct 3 ms 18776 KB Output is correct
26 Correct 3 ms 18776 KB Output is correct
27 Correct 12 ms 19032 KB Output is correct
28 Correct 12 ms 19032 KB Output is correct
29 Correct 10 ms 19032 KB Output is correct
30 Correct 11 ms 19032 KB Output is correct
31 Correct 11 ms 19032 KB Output is correct
32 Correct 3 ms 18776 KB Output is correct
33 Correct 29 ms 38764 KB Output is correct
34 Correct 63 ms 48160 KB Output is correct
35 Correct 54 ms 48124 KB Output is correct
36 Correct 57 ms 48168 KB Output is correct
37 Correct 53 ms 48340 KB Output is correct
38 Correct 49 ms 49000 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 2 ms 18776 KB Output is correct
3 Correct 2 ms 18884 KB Output is correct
4 Correct 147 ms 34520 KB Output is correct
5 Correct 624 ms 48144 KB Output is correct
6 Correct 386 ms 23632 KB Output is correct
7 Correct 573 ms 48160 KB Output is correct
8 Correct 379 ms 30256 KB Output is correct
9 Correct 620 ms 48176 KB Output is correct
10 Correct 793 ms 48260 KB Output is correct
11 Correct 741 ms 48072 KB Output is correct
12 Correct 762 ms 48088 KB Output is correct
13 Correct 594 ms 48164 KB Output is correct
14 Correct 663 ms 48376 KB Output is correct
15 Correct 645 ms 48944 KB Output is correct
16 Correct 604 ms 49016 KB Output is correct
17 Correct 3 ms 18776 KB Output is correct
18 Correct 2 ms 18776 KB Output is correct
19 Correct 3 ms 18776 KB Output is correct
20 Correct 3 ms 18776 KB Output is correct
21 Correct 3 ms 18776 KB Output is correct
22 Correct 3 ms 18776 KB Output is correct
23 Correct 4 ms 18872 KB Output is correct
24 Correct 3 ms 19028 KB Output is correct
25 Correct 3 ms 18776 KB Output is correct
26 Correct 3 ms 18776 KB Output is correct
27 Correct 12 ms 19032 KB Output is correct
28 Correct 12 ms 19032 KB Output is correct
29 Correct 10 ms 19032 KB Output is correct
30 Correct 11 ms 19032 KB Output is correct
31 Correct 11 ms 19032 KB Output is correct
32 Correct 3 ms 18776 KB Output is correct
33 Correct 29 ms 38764 KB Output is correct
34 Correct 63 ms 48160 KB Output is correct
35 Correct 54 ms 48124 KB Output is correct
36 Correct 57 ms 48168 KB Output is correct
37 Correct 53 ms 48340 KB Output is correct
38 Correct 49 ms 49000 KB Output is correct
39 Correct 3 ms 18776 KB Output is correct
40 Correct 2 ms 18776 KB Output is correct
41 Correct 3 ms 19028 KB Output is correct
42 Correct 153 ms 34552 KB Output is correct
43 Correct 675 ms 48176 KB Output is correct
44 Correct 420 ms 23476 KB Output is correct
45 Correct 619 ms 48176 KB Output is correct
46 Correct 356 ms 29988 KB Output is correct
47 Correct 629 ms 48176 KB Output is correct
48 Correct 725 ms 48272 KB Output is correct
49 Correct 757 ms 48328 KB Output is correct
50 Correct 710 ms 48120 KB Output is correct
51 Correct 616 ms 48176 KB Output is correct
52 Correct 663 ms 48368 KB Output is correct
53 Correct 596 ms 48952 KB Output is correct
54 Correct 666 ms 48952 KB Output is correct
55 Correct 3 ms 18776 KB Output is correct
56 Correct 86 ms 48172 KB Output is correct
57 Correct 618 ms 48184 KB Output is correct
58 Correct 305 ms 25664 KB Output is correct
59 Correct 623 ms 48184 KB Output is correct
60 Correct 306 ms 32296 KB Output is correct
61 Correct 712 ms 48204 KB Output is correct
62 Correct 738 ms 48272 KB Output is correct
63 Correct 718 ms 48320 KB Output is correct
64 Correct 722 ms 48332 KB Output is correct
65 Correct 672 ms 48188 KB Output is correct
66 Correct 718 ms 48344 KB Output is correct
67 Correct 673 ms 49204 KB Output is correct
68 Correct 620 ms 48916 KB Output is correct
69 Correct 3 ms 18776 KB Output is correct
70 Correct 2 ms 18776 KB Output is correct
71 Correct 3 ms 18776 KB Output is correct
72 Correct 3 ms 18776 KB Output is correct
73 Correct 3 ms 18776 KB Output is correct
74 Correct 3 ms 18776 KB Output is correct
75 Correct 3 ms 18776 KB Output is correct
76 Correct 3 ms 19028 KB Output is correct
77 Correct 3 ms 18788 KB Output is correct
78 Correct 3 ms 18776 KB Output is correct
79 Correct 3 ms 18776 KB Output is correct
80 Correct 3 ms 18776 KB Output is correct
81 Correct 4 ms 18776 KB Output is correct
82 Correct 3 ms 18776 KB Output is correct
83 Correct 3 ms 18776 KB Output is correct
84 Correct 3 ms 18776 KB Output is correct
85 Correct 4 ms 18776 KB Output is correct
86 Correct 10 ms 19032 KB Output is correct
87 Correct 12 ms 19032 KB Output is correct
88 Correct 11 ms 19032 KB Output is correct
89 Correct 14 ms 19032 KB Output is correct
90 Correct 12 ms 19032 KB Output is correct
91 Correct 3 ms 18776 KB Output is correct
92 Correct 3 ms 18776 KB Output is correct
93 Correct 11 ms 19032 KB Output is correct
94 Correct 12 ms 19032 KB Output is correct
95 Correct 10 ms 19032 KB Output is correct
96 Correct 11 ms 19032 KB Output is correct
97 Correct 11 ms 19032 KB Output is correct
98 Correct 3 ms 18776 KB Output is correct
99 Correct 56 ms 48188 KB Output is correct
100 Correct 56 ms 48184 KB Output is correct
101 Correct 54 ms 48188 KB Output is correct
102 Correct 57 ms 48176 KB Output is correct
103 Correct 57 ms 48364 KB Output is correct
104 Correct 59 ms 48916 KB Output is correct
105 Correct 3 ms 18776 KB Output is correct
106 Correct 27 ms 38856 KB Output is correct
107 Correct 55 ms 48184 KB Output is correct
108 Correct 52 ms 48344 KB Output is correct
109 Correct 54 ms 48160 KB Output is correct
110 Correct 54 ms 48352 KB Output is correct
111 Correct 50 ms 49008 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 18776 KB Output is correct
2 Correct 3 ms 18776 KB Output is correct
3 Correct 87 ms 45856 KB Output is correct
4 Correct 593 ms 48264 KB Output is correct
5 Correct 490 ms 36912 KB Output is correct
6 Correct 573 ms 48260 KB Output is correct
7 Correct 496 ms 41344 KB Output is correct
8 Correct 589 ms 48264 KB Output is correct
9 Correct 3 ms 18776 KB Output is correct
10 Correct 3 ms 18776 KB Output is correct
11 Correct 3 ms 18776 KB Output is correct
12 Correct 3 ms 18776 KB Output is correct
13 Incorrect 3 ms 18776 KB Output isn't correct
14 Halted 0 ms 0 KB -