oj.uz

답안 #554338

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
554338 2022-04-28T07:27:34 Z ian2024 밀림 점프 (APIO21_jumps) C++14
21 / 100
 312 ms 52052 KB 
#include <bits/stdc++.h>

using namespace std;
struct C_HASH {
  static uint64_t splitmix64(uint64_t x) {
    // http://xorshift.di.unimi.it/splitmix64.c
    x += 0x9e3779b97f4a7c15;
    x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
    x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
    return x ^ (x >> 31);
  }

  size_t operator()(uint64_t x) const {
    static const uint64_t FIXED_RANDOM =
        chrono::steady_clock::now().time_since_epoch().count();
    return splitmix64(x + FIXED_RANDOM);
  }
};

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef long long ll;

const int INF = 1e9;
const ll INFL = 1e18;
const int MOD = 1000000007;

#define SIZE(a) (int)(a).size()
#define endl '\n'
#define all(x) x.begin(), x.end()
#define ALL(x) begin(x), end(x)

int l[200005];
int r[200005];
int memo[2005][2005];

#ifdef LOCAL_PROJECT
void init(int N, std::vector<int> H);
int minimum_jumps(int A, int B, int C, int D);
int dfs(int a, int b);

signed 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);

  cerr << dfs(4, 6);

  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;
}
#else
#define cerr \
  if (false) cerr
#include "jumps.h"
#endif

void init(int N, std::vector<int> H) {
  fill(begin(l), end(l), -1);
  fill(begin(r), end(r), -1);
  memset(memo, -1, sizeof memo);

  set<int> s;
  vector<ii> v;
  for (int i = 0; i < N; ++i) {
    v.push_back({H[i], i});
  }
  sort(all(v), greater<ii>());
  for (int i = 0; i < N; ++i) {
    int height, idx;
    tie(height, idx) = v[i];
    s.insert(idx);
    auto it = s.lower_bound(idx);
    if (it != s.begin()) {
      it--;
      l[idx] = *it;
    }
    it = s.upper_bound(idx);
    if (it != s.end()) {
      r[idx] = *it;
    }
  }
}

int dfs(int u, int target) {
  if (u == target) {
    return 0;
  }
  if (u == -1) {
    return INF;
  }
  if (memo[u][target] != -1) {
    return memo[u][target];
  }
  
  int &ans = memo[u][target];
  ans = 1 + min(dfs(l[u], target), dfs(r[u], target));
  return ans;
}

int minimum_jumps(int A, int B, int C, int D) {
  int res = INF;
  for (int i = A; i <= B; ++i) {
    for (int j = C; j <= D; ++j) {
      res = min(res, dfs(i, j));
    }
  }
  if (res == INF) return -1;
  return res;
}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 17488 KB Output is correct
2 Correct 8 ms 17488 KB Output is correct
3 Runtime error 119 ms 52052 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 17488 KB Output is correct
2 Correct 7 ms 17488 KB Output is correct
3 Correct 8 ms 17488 KB Output is correct
4 Correct 8 ms 17488 KB Output is correct
5 Correct 9 ms 17568 KB Output is correct
6 Correct 10 ms 17616 KB Output is correct
7 Correct 8 ms 17616 KB Output is correct
8 Correct 12 ms 17596 KB Output is correct
9 Correct 8 ms 17488 KB Output is correct
10 Correct 11 ms 17616 KB Output is correct
11 Correct 11 ms 17616 KB Output is correct
12 Correct 10 ms 17556 KB Output is correct
13 Correct 14 ms 17504 KB Output is correct
14 Correct 10 ms 17616 KB Output is correct
15 Correct 11 ms 17616 KB Output is correct
16 Correct 12 ms 17616 KB Output is correct
17 Correct 10 ms 17616 KB Output is correct
18 Correct 8 ms 17488 KB Output is correct
19 Correct 10 ms 17540 KB Output is correct
20 Correct 12 ms 17488 KB Output is correct
21 Correct 9 ms 17616 KB Output is correct
22 Correct 9 ms 17616 KB Output is correct
23 Correct 9 ms 17616 KB Output is correct
24 Correct 9 ms 17616 KB Output is correct
25 Correct 8 ms 17588 KB Output is correct
26 Correct 7 ms 17488 KB Output is correct
27 Correct 9 ms 17488 KB Output is correct
28 Correct 9 ms 17616 KB Output is correct
29 Correct 10 ms 17616 KB Output is correct
30 Correct 11 ms 17568 KB Output is correct
31 Correct 9 ms 17616 KB Output is correct
32 Correct 11 ms 17524 KB Output is correct
33 Correct 8 ms 17488 KB Output is correct
34 Correct 8 ms 17488 KB Output is correct
35 Correct 8 ms 17616 KB Output is correct
36 Correct 8 ms 17616 KB Output is correct
37 Correct 8 ms 17488 KB Output is correct
38 Correct 10 ms 17616 KB Output is correct
39 Correct 8 ms 17488 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 17488 KB Output is correct
2 Correct 7 ms 17488 KB Output is correct
3 Correct 8 ms 17488 KB Output is correct
4 Correct 8 ms 17488 KB Output is correct
5 Correct 9 ms 17568 KB Output is correct
6 Correct 10 ms 17616 KB Output is correct
7 Correct 8 ms 17616 KB Output is correct
8 Correct 12 ms 17596 KB Output is correct
9 Correct 8 ms 17488 KB Output is correct
10 Correct 11 ms 17616 KB Output is correct
11 Correct 11 ms 17616 KB Output is correct
12 Correct 10 ms 17556 KB Output is correct
13 Correct 14 ms 17504 KB Output is correct
14 Correct 10 ms 17616 KB Output is correct
15 Correct 11 ms 17616 KB Output is correct
16 Correct 12 ms 17616 KB Output is correct
17 Correct 10 ms 17616 KB Output is correct
18 Correct 8 ms 17488 KB Output is correct
19 Correct 10 ms 17540 KB Output is correct
20 Correct 12 ms 17488 KB Output is correct
21 Correct 9 ms 17616 KB Output is correct
22 Correct 9 ms 17616 KB Output is correct
23 Correct 9 ms 17616 KB Output is correct
24 Correct 9 ms 17616 KB Output is correct
25 Correct 8 ms 17588 KB Output is correct
26 Correct 7 ms 17488 KB Output is correct
27 Correct 9 ms 17488 KB Output is correct
28 Correct 9 ms 17616 KB Output is correct
29 Correct 10 ms 17616 KB Output is correct
30 Correct 11 ms 17568 KB Output is correct
31 Correct 9 ms 17616 KB Output is correct
32 Correct 11 ms 17524 KB Output is correct
33 Correct 8 ms 17488 KB Output is correct
34 Correct 8 ms 17488 KB Output is correct
35 Correct 8 ms 17616 KB Output is correct
36 Correct 8 ms 17616 KB Output is correct
37 Correct 8 ms 17488 KB Output is correct
38 Correct 10 ms 17616 KB Output is correct
39 Correct 8 ms 17488 KB Output is correct
40 Correct 8 ms 17488 KB Output is correct
41 Correct 7 ms 17616 KB Output is correct
42 Correct 6 ms 17488 KB Output is correct
43 Correct 7 ms 17488 KB Output is correct
44 Correct 9 ms 17488 KB Output is correct
45 Correct 11 ms 17488 KB Output is correct
46 Correct 10 ms 17532 KB Output is correct
47 Correct 9 ms 17616 KB Output is correct
48 Correct 8 ms 17488 KB Output is correct
49 Correct 10 ms 17616 KB Output is correct
50 Correct 10 ms 17504 KB Output is correct
51 Correct 13 ms 17616 KB Output is correct
52 Correct 11 ms 17616 KB Output is correct
53 Correct 11 ms 17544 KB Output is correct
54 Correct 10 ms 17556 KB Output is correct
55 Correct 10 ms 17616 KB Output is correct
56 Correct 11 ms 17488 KB Output is correct
57 Correct 7 ms 17504 KB Output is correct
58 Correct 176 ms 17684 KB Output is correct
59 Correct 283 ms 17616 KB Output is correct
60 Correct 25 ms 17616 KB Output is correct
61 Correct 274 ms 17672 KB Output is correct
62 Correct 21 ms 17616 KB Output is correct
63 Correct 301 ms 17628 KB Output is correct
64 Correct 291 ms 17816 KB Output is correct
65 Correct 312 ms 17808 KB Output is correct
66 Correct 293 ms 17688 KB Output is correct
67 Correct 282 ms 17708 KB Output is correct
68 Correct 291 ms 17744 KB Output is correct
69 Correct 151 ms 17724 KB Output is correct
70 Correct 111 ms 17616 KB Output is correct
71 Correct 8 ms 17488 KB Output is correct
72 Correct 8 ms 17488 KB Output is correct
73 Correct 10 ms 17616 KB Output is correct
74 Correct 9 ms 17616 KB Output is correct
75 Correct 9 ms 17604 KB Output is correct
76 Correct 10 ms 17488 KB Output is correct
77 Correct 10 ms 17556 KB Output is correct
78 Correct 8 ms 17592 KB Output is correct
79 Correct 7 ms 17484 KB Output is correct
80 Correct 8 ms 17588 KB Output is correct
81 Correct 10 ms 17488 KB Output is correct
82 Correct 10 ms 17616 KB Output is correct
83 Correct 9 ms 17616 KB Output is correct
84 Correct 9 ms 17616 KB Output is correct
85 Correct 9 ms 17616 KB Output is correct
86 Correct 8 ms 17540 KB Output is correct
87 Correct 7 ms 17616 KB Output is correct
88 Correct 7 ms 17616 KB Output is correct
89 Correct 8 ms 17616 KB Output is correct
90 Correct 8 ms 17616 KB Output is correct
91 Correct 8 ms 17544 KB Output is correct
92 Correct 8 ms 17604 KB Output is correct
93 Correct 8 ms 17616 KB Output is correct
94 Correct 12 ms 17616 KB Output is correct
95 Correct 41 ms 17616 KB Output is correct
96 Correct 57 ms 17744 KB Output is correct
97 Correct 48 ms 17616 KB Output is correct
98 Correct 74 ms 17744 KB Output is correct
99 Correct 38 ms 17616 KB Output is correct
100 Correct 8 ms 17616 KB Output is correct
101 Correct 9 ms 17616 KB Output is correct
102 Correct 24 ms 17724 KB Output is correct
103 Correct 39 ms 17744 KB Output is correct
104 Correct 26 ms 17628 KB Output is correct
105 Correct 59 ms 17648 KB Output is correct
106 Correct 27 ms 17732 KB Output is correct
107 Correct 8 ms 17488 KB Output is correct
108 Correct 8 ms 17616 KB Output is correct
109 Correct 13 ms 17616 KB Output is correct
110 Correct 26 ms 17744 KB Output is correct
111 Correct 12 ms 17724 KB Output is correct
112 Correct 15 ms 17680 KB Output is correct
113 Correct 34 ms 17708 KB Output is correct

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 17488 KB Output is correct
2 Correct 9 ms 17488 KB Output is correct
3 Correct 7 ms 17556 KB Output is correct
4 Correct 7 ms 17580 KB Output is correct
5 Runtime error 139 ms 52044 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 17488 KB Output is correct
2 Correct 8 ms 17580 KB Output is correct
3 Correct 7 ms 17488 KB Output is correct
4 Runtime error 84 ms 44884 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 17488 KB Output is correct
2 Correct 8 ms 17580 KB Output is correct
3 Correct 7 ms 17488 KB Output is correct
4 Runtime error 84 ms 44884 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 17488 KB Output is correct
2 Correct 8 ms 17488 KB Output is correct
3 Runtime error 119 ms 52052 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -