oj.uz

답안 #558749

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
558749 2022-05-08T08:54:34 Z hoanghq2004 밀림 점프 (APIO21_jumps) C++14
23 / 100
 982 ms 36388 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "jumps.h"

using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

const int N = 2e5 + 10;

int n, h[N];
int high[N][20], low[N][20];
int L[N], R[N];

void init(int N, std::vector<int> H) {
    n = N;
    for (int i = 1; i <= n; ++i) h[i] = H[i - 1];
    stack <int> stk;
    for (int i = 1; i <= n; ++i) {
        while (stk.size() && h[stk.top()] < h[i]) {
            R[stk.top()] = i;
            stk.pop();
        }
        stk.push(i);
    }
    while (stk.size()) R[stk.top()] = n + 1, stk.pop();
    for (int i = n; i >= 1; --i) {
        while (stk.size() && h[stk.top()] < h[i]) {
            L[stk.top()] = i;
            stk.pop();
        }
        stk.push(i);
    }
    while (stk.size()) L[stk.top()] = 0, stk.pop();
    for (int i = 1; i <= n; ++i) {
        high[i][0] = (h[L[i]] > h[R[i]] ? L[i] : R[i]);
        low[i][0] = (h[L[i]] < h[R[i]] ? L[i] : R[i]);
    }
    for (int lg = 1; (1 << lg) <= n; ++lg) {
        for (int i = 1; i + (1 << lg) - 1 <= n; ++i) {
            high[i][lg] = high[high[i][lg - 1]][lg - 1];
            low[i][lg] = low[low[i][lg - 1]][lg - 1];
        }
    }
}

int minimum_jumps(int A, int B, int C, int D) {
    ++A, ++B, ++C, ++D;
    int cost = 0;
    for (int lg = 19; lg >= 0; --lg)
        if (h[high[A][lg]] && h[high[A][lg]] <= h[C])
            A = high[A][lg],
            cost += (1 << lg);
    for (int lg = 19; lg >= 0; --lg)
        if (h[low[A][lg]] && h[low[A][lg]] <= h[C])
            A = low[A][lg],
            cost += (1 << lg);
    if (A != C) return -1;
    return cost;
}

//int main() {
//  int N, Q;
//  assert(2 == scanf("%d %d", &N, &Q));
//  std::vector<int> H(N);
//  for (int i = 0; i < N; ++i) {
//    assert(1 == scanf("%d", &H[i]));
//  }
//  init(N, H);
//
//  for (int i = 0; i < Q; ++i) {
//    int A, B, C, D;
//    assert(4 == scanf("%d %d %d %d", &A, &B, &C, &D));
//    printf("%d\n", minimum_jumps(A, B, C, D));
//  }
//  return 0;
//}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 145 ms 28992 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 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 204 ms 16436 KB Output is correct
5 Correct 569 ms 35516 KB Output is correct
6 Correct 586 ms 6056 KB Output is correct
7 Correct 889 ms 35480 KB Output is correct
8 Correct 522 ms 12356 KB Output is correct
9 Correct 839 ms 35392 KB Output is correct
10 Correct 945 ms 36348 KB Output is correct
11 Correct 843 ms 36080 KB Output is correct
12 Correct 843 ms 36232 KB Output is correct
13 Correct 707 ms 35392 KB Output is correct
14 Correct 695 ms 35852 KB Output is correct
15 Correct 876 ms 36296 KB Output is correct
16 Correct 690 ms 36276 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 2 ms 336 KB Output is correct
20 Correct 3 ms 336 KB Output is correct
21 Correct 2 ms 336 KB Output is correct
22 Correct 3 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 0 ms 336 KB Output is correct
26 Correct 1 ms 464 KB Output is correct
27 Correct 17 ms 592 KB Output is correct
28 Correct 24 ms 592 KB Output is correct
29 Correct 17 ms 592 KB Output is correct
30 Correct 23 ms 592 KB Output is correct
31 Correct 16 ms 592 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 42 ms 20596 KB Output is correct
34 Correct 76 ms 35492 KB Output is correct
35 Correct 75 ms 36168 KB Output is correct
36 Correct 82 ms 35520 KB Output is correct
37 Correct 85 ms 35880 KB Output is correct
38 Correct 71 ms 36244 KB Output is correct

Subtask #6
0 / 21.0

# 결과 실행 시간 메모리 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 204 ms 16436 KB Output is correct
5 Correct 569 ms 35516 KB Output is correct
6 Correct 586 ms 6056 KB Output is correct
7 Correct 889 ms 35480 KB Output is correct
8 Correct 522 ms 12356 KB Output is correct
9 Correct 839 ms 35392 KB Output is correct
10 Correct 945 ms 36348 KB Output is correct
11 Correct 843 ms 36080 KB Output is correct
12 Correct 843 ms 36232 KB Output is correct
13 Correct 707 ms 35392 KB Output is correct
14 Correct 695 ms 35852 KB Output is correct
15 Correct 876 ms 36296 KB Output is correct
16 Correct 690 ms 36276 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 2 ms 336 KB Output is correct
20 Correct 3 ms 336 KB Output is correct
21 Correct 2 ms 336 KB Output is correct
22 Correct 3 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 0 ms 336 KB Output is correct
26 Correct 1 ms 464 KB Output is correct
27 Correct 17 ms 592 KB Output is correct
28 Correct 24 ms 592 KB Output is correct
29 Correct 17 ms 592 KB Output is correct
30 Correct 23 ms 592 KB Output is correct
31 Correct 16 ms 592 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 42 ms 20596 KB Output is correct
34 Correct 76 ms 35492 KB Output is correct
35 Correct 75 ms 36168 KB Output is correct
36 Correct 82 ms 35520 KB Output is correct
37 Correct 85 ms 35880 KB Output is correct
38 Correct 71 ms 36244 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 0 ms 208 KB Output is correct
41 Correct 0 ms 208 KB Output is correct
42 Correct 251 ms 16408 KB Output is correct
43 Correct 813 ms 35400 KB Output is correct
44 Correct 600 ms 6096 KB Output is correct
45 Correct 834 ms 35436 KB Output is correct
46 Correct 520 ms 12336 KB Output is correct
47 Correct 841 ms 35400 KB Output is correct
48 Correct 798 ms 36244 KB Output is correct
49 Correct 982 ms 36284 KB Output is correct
50 Correct 938 ms 36120 KB Output is correct
51 Correct 918 ms 35580 KB Output is correct
52 Correct 977 ms 35828 KB Output is correct
53 Correct 812 ms 36388 KB Output is correct
54 Correct 869 ms 36280 KB Output is correct
55 Correct 0 ms 208 KB Output is correct
56 Incorrect 118 ms 35388 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 145 ms 28992 KB Output isn't correct
4 Halted 0 ms 0 KB -