oj.uz

답안 #972389

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
972389 2024-04-30T11:37:34 Z Syrius 밀림 점프 (APIO21_jumps) C++14
23 / 100
 871 ms 35400 KB 
#include <bits/stdc++.h>
#include "jumps.h"
using namespace std;

// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)
typedef vector < int > vint;

const int inf = 1e9 + 9;
const int mxn = 2e5 + 5;
const int mod = 1e9 + 7;

int n;
int h[mxn] , le[mxn] , ri[mxn];
int inv[mxn];
int spx[19][mxn] , spn[19][mxn];

vint v;

void init(int N , vint H) {
	n = N;
	for (int i = 0; i < n; i++) {
		h[i] = H[i];
		inv[h[i]] = i;
	}

	for (int i = 0; i < n; i++) {
		while (v.size() > 0 && v.back() < h[i]) {
			ri[v.back()] = h[i];
			v.pop_back();
		}
		if (v.size() > 0) le[h[i]] = v.back();
		v.push_back(h[i]);
	}

	for (int i = 0; i < n; i++) {
		spx[0][h[i]] = max(le[h[i]] , ri[h[i]]);
		spn[0][h[i]] = min(le[h[i]] , ri[h[i]]);
		if (spn[0][h[i]] == 0) spn[0][h[i]] = spx[0][h[i]];
	}

	for (int j = 1; j < 19; j++) {
		for (int i = 0; i < n; i++) {
			spx[j][h[i]] = spx[j-1][spx[j-1][h[i]]];
			spn[j][h[i]] = spn[j-1][spn[j-1][h[i]]];
		}
	}
}

int minimum_jumps(int a , int b , int c , int d) {
	if (h[a] > h[d]) return -1;
	int dis = 0;
	for (int i = 18; i >= 0; i--) {
		if (spx[i][h[a]] > h[d] || spx[i][h[a]] == 0) continue;
		if (spx[i][h[a]] == h[d]) return (1 << i);
		int t = minimum_jumps(inv[spx[i][h[a]]] , b , c , d);
		return (t == -1) ? t : ((1<<i) + t);
	}

	for (int i = 18; i >= 0; i--) {
		if (spn[i][h[a]] > h[d] || spn[i][h[a]] == 0) continue;
		if (spn[i][h[a]] == h[d]) return (1 << i);
		int t = minimum_jumps(inv[spn[i][h[a]]] , b , c , d);
		return (t == -1) ? t : ((1<<i) + t);
	}

	return -1;
}

Compilation message

jumps.cpp: In function 'int minimum_jumps(int, int, int, int)':
jumps.cpp:56:6: warning: unused variable 'dis' [-Wunused-variable]
   56 |  int dis = 0;
      |      ^~~

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16728 KB Output is correct
2 Correct 2 ms 16728 KB Output is correct
3 Incorrect 93 ms 30516 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 16728 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 16728 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 16728 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 2 ms 16728 KB Output is correct
2 Correct 2 ms 16796 KB Output is correct
3 Correct 2 ms 16728 KB Output is correct
4 Correct 166 ms 25072 KB Output is correct
5 Correct 637 ms 35064 KB Output is correct
6 Correct 425 ms 16472 KB Output is correct
7 Correct 648 ms 34768 KB Output is correct
8 Correct 365 ms 20180 KB Output is correct
9 Correct 632 ms 34768 KB Output is correct
10 Correct 649 ms 33980 KB Output is correct
11 Correct 858 ms 34680 KB Output is correct
12 Correct 728 ms 34000 KB Output is correct
13 Correct 716 ms 34896 KB Output is correct
14 Correct 736 ms 35372 KB Output is correct
15 Correct 595 ms 35392 KB Output is correct
16 Correct 579 ms 35380 KB Output is correct
17 Correct 2 ms 12888 KB Output is correct
18 Correct 2 ms 12632 KB Output is correct
19 Correct 2 ms 12888 KB Output is correct
20 Correct 2 ms 12888 KB Output is correct
21 Correct 3 ms 12888 KB Output is correct
22 Correct 3 ms 12892 KB Output is correct
23 Correct 2 ms 12888 KB Output is correct
24 Correct 2 ms 12888 KB Output is correct
25 Correct 2 ms 12888 KB Output is correct
26 Correct 2 ms 12888 KB Output is correct
27 Correct 11 ms 12888 KB Output is correct
28 Correct 13 ms 12888 KB Output is correct
29 Correct 11 ms 12888 KB Output is correct
30 Correct 13 ms 12888 KB Output is correct
31 Correct 11 ms 12888 KB Output is correct
32 Correct 2 ms 12888 KB Output is correct
33 Correct 22 ms 25484 KB Output is correct
34 Correct 39 ms 34764 KB Output is correct
35 Correct 28 ms 34000 KB Output is correct
36 Correct 41 ms 34740 KB Output is correct
37 Correct 29 ms 35320 KB Output is correct
38 Correct 29 ms 35392 KB Output is correct

Subtask #6
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16728 KB Output is correct
2 Correct 2 ms 16796 KB Output is correct
3 Correct 2 ms 16728 KB Output is correct
4 Correct 166 ms 25072 KB Output is correct
5 Correct 637 ms 35064 KB Output is correct
6 Correct 425 ms 16472 KB Output is correct
7 Correct 648 ms 34768 KB Output is correct
8 Correct 365 ms 20180 KB Output is correct
9 Correct 632 ms 34768 KB Output is correct
10 Correct 649 ms 33980 KB Output is correct
11 Correct 858 ms 34680 KB Output is correct
12 Correct 728 ms 34000 KB Output is correct
13 Correct 716 ms 34896 KB Output is correct
14 Correct 736 ms 35372 KB Output is correct
15 Correct 595 ms 35392 KB Output is correct
16 Correct 579 ms 35380 KB Output is correct
17 Correct 2 ms 12888 KB Output is correct
18 Correct 2 ms 12632 KB Output is correct
19 Correct 2 ms 12888 KB Output is correct
20 Correct 2 ms 12888 KB Output is correct
21 Correct 3 ms 12888 KB Output is correct
22 Correct 3 ms 12892 KB Output is correct
23 Correct 2 ms 12888 KB Output is correct
24 Correct 2 ms 12888 KB Output is correct
25 Correct 2 ms 12888 KB Output is correct
26 Correct 2 ms 12888 KB Output is correct
27 Correct 11 ms 12888 KB Output is correct
28 Correct 13 ms 12888 KB Output is correct
29 Correct 11 ms 12888 KB Output is correct
30 Correct 13 ms 12888 KB Output is correct
31 Correct 11 ms 12888 KB Output is correct
32 Correct 2 ms 12888 KB Output is correct
33 Correct 22 ms 25484 KB Output is correct
34 Correct 39 ms 34764 KB Output is correct
35 Correct 28 ms 34000 KB Output is correct
36 Correct 41 ms 34740 KB Output is correct
37 Correct 29 ms 35320 KB Output is correct
38 Correct 29 ms 35392 KB Output is correct
39 Correct 2 ms 12888 KB Output is correct
40 Correct 2 ms 12888 KB Output is correct
41 Correct 2 ms 13140 KB Output is correct
42 Correct 150 ms 22704 KB Output is correct
43 Correct 747 ms 34764 KB Output is correct
44 Correct 434 ms 16456 KB Output is correct
45 Correct 655 ms 34652 KB Output is correct
46 Correct 395 ms 20168 KB Output is correct
47 Correct 660 ms 34820 KB Output is correct
48 Correct 741 ms 34000 KB Output is correct
49 Correct 871 ms 34640 KB Output is correct
50 Correct 750 ms 34000 KB Output is correct
51 Correct 706 ms 34768 KB Output is correct
52 Correct 692 ms 35396 KB Output is correct
53 Correct 539 ms 35400 KB Output is correct
54 Correct 552 ms 35384 KB Output is correct
55 Correct 2 ms 12888 KB Output is correct
56 Incorrect 67 ms 34856 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16728 KB Output is correct
2 Correct 2 ms 16728 KB Output is correct
3 Incorrect 93 ms 30516 KB Output isn't correct
4 Halted 0 ms 0 KB -