oj.uz

Submission #973682

# Submission time Handle Problem Language Result Execution time Memory
973682 2024-05-02T09:36:04 Z Syrius Rainforest Jumps (APIO21_jumps) C++14
77 / 100
 4000 ms 54344 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;

struct node {

	int tl , tm , tr;
	int mx;
	node *left , *right;

	node (int l , int r) {
		tl = l , tr = r , tm = (l + r) / 2;
		mx = 0;
		left = right = NULL;
	}

	void build() {
		if (tl == tr) {
			mx = h[tl];
			return;
		}
		left = new node(tl , tm);
		right = new node(tm+1 , tr);
		left -> build();
		right -> build();
		mx = max(left -> mx , right -> mx);
	}

	pint query(int l , int r , int x) {
		if (tl == tr) {
			if (mx > x) return {-1 , 0};
			return {mx , 1};
		}
		if (tl == l && tr == r) {
			if (mx < x) return {mx , 1};
			pint pr = right -> query(tm+1 , r , x);
			if (pr.ss == 0) return pr;
			pint pl = left -> query(tl , tm , x);
			return {max(pl.ff , pr.ff) , 0};
		}
		if (r <= tm) return left -> query(l , r , x);
		if (l > tm) return right -> query(l , r , x);

		pint pr = right -> query(tm+1 , r , x);
		if (pr.ss == 0) return pr;
		pint pl = left -> query(l , tm , x);
		return {max(pl.ff , pr.ff) , pl.ss};
	}

} *root;

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

	root = new node(0 , n-1);
	root -> build();

	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 func(int a , 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 = func(inv[spx[i][h[a]]] , 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 = func(inv[spn[i][h[a]]] , d);
		return (t == -1) ? t : ((1<<i) + t);
	}

	return -1;
}

int minimum_jumps(int a , int b , int c , int d) {
	int ret = inf;
	for (int i = c; i <= d; i++) {
		int temp = (root -> query(a , b , h[i])).ff;
		if (temp != -1) {
			int tp = func(inv[temp] , i);
			if (tp != -1) ret = min(ret , tp);
		}
	}
	if (ret == inf) return -1;
	return ret;
}

Compilation message

jumps.cpp: In function 'int func(int, int)':
jumps.cpp:106:6: warning: unused variable 'dis' [-Wunused-variable]
  106 |  int dis = 0;
      |      ^~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 3 ms 31064 KB Output is correct
3 Execution timed out 4057 ms 48156 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 4 ms 31064 KB Output is correct
3 Correct 4 ms 31064 KB Output is correct
4 Correct 4 ms 31064 KB Output is correct
5 Correct 4 ms 31168 KB Output is correct
6 Correct 5 ms 31228 KB Output is correct
7 Correct 4 ms 31064 KB Output is correct
8 Correct 5 ms 31064 KB Output is correct
9 Correct 4 ms 31064 KB Output is correct
10 Correct 5 ms 31064 KB Output is correct
11 Correct 5 ms 31064 KB Output is correct
12 Correct 5 ms 31064 KB Output is correct
13 Correct 5 ms 31064 KB Output is correct
14 Correct 5 ms 31064 KB Output is correct
15 Correct 5 ms 31064 KB Output is correct
16 Correct 5 ms 31064 KB Output is correct
17 Correct 4 ms 31064 KB Output is correct
18 Correct 4 ms 31216 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 5 ms 31064 KB Output is correct
21 Correct 5 ms 31064 KB Output is correct
22 Correct 4 ms 31064 KB Output is correct
23 Correct 5 ms 31064 KB Output is correct
24 Correct 4 ms 31200 KB Output is correct
25 Correct 4 ms 31064 KB Output is correct
26 Correct 4 ms 31064 KB Output is correct
27 Correct 4 ms 31064 KB Output is correct
28 Correct 5 ms 31064 KB Output is correct
29 Correct 4 ms 31064 KB Output is correct
30 Correct 5 ms 31064 KB Output is correct
31 Correct 5 ms 31064 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 3 ms 31220 KB Output is correct
34 Correct 4 ms 31064 KB Output is correct
35 Correct 4 ms 31064 KB Output is correct
36 Correct 3 ms 31064 KB Output is correct
37 Correct 4 ms 31204 KB Output is correct
38 Correct 4 ms 31064 KB Output is correct
39 Correct 4 ms 31064 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 4 ms 31064 KB Output is correct
3 Correct 4 ms 31064 KB Output is correct
4 Correct 4 ms 31064 KB Output is correct
5 Correct 4 ms 31168 KB Output is correct
6 Correct 5 ms 31228 KB Output is correct
7 Correct 4 ms 31064 KB Output is correct
8 Correct 5 ms 31064 KB Output is correct
9 Correct 4 ms 31064 KB Output is correct
10 Correct 5 ms 31064 KB Output is correct
11 Correct 5 ms 31064 KB Output is correct
12 Correct 5 ms 31064 KB Output is correct
13 Correct 5 ms 31064 KB Output is correct
14 Correct 5 ms 31064 KB Output is correct
15 Correct 5 ms 31064 KB Output is correct
16 Correct 5 ms 31064 KB Output is correct
17 Correct 4 ms 31064 KB Output is correct
18 Correct 4 ms 31216 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 5 ms 31064 KB Output is correct
21 Correct 5 ms 31064 KB Output is correct
22 Correct 4 ms 31064 KB Output is correct
23 Correct 5 ms 31064 KB Output is correct
24 Correct 4 ms 31200 KB Output is correct
25 Correct 4 ms 31064 KB Output is correct
26 Correct 4 ms 31064 KB Output is correct
27 Correct 4 ms 31064 KB Output is correct
28 Correct 5 ms 31064 KB Output is correct
29 Correct 4 ms 31064 KB Output is correct
30 Correct 5 ms 31064 KB Output is correct
31 Correct 5 ms 31064 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 3 ms 31220 KB Output is correct
34 Correct 4 ms 31064 KB Output is correct
35 Correct 4 ms 31064 KB Output is correct
36 Correct 3 ms 31064 KB Output is correct
37 Correct 4 ms 31204 KB Output is correct
38 Correct 4 ms 31064 KB Output is correct
39 Correct 4 ms 31064 KB Output is correct
40 Correct 3 ms 31064 KB Output is correct
41 Correct 4 ms 31184 KB Output is correct
42 Correct 4 ms 31064 KB Output is correct
43 Correct 4 ms 31064 KB Output is correct
44 Correct 5 ms 31228 KB Output is correct
45 Correct 4 ms 31064 KB Output is correct
46 Correct 4 ms 31064 KB Output is correct
47 Correct 5 ms 31064 KB Output is correct
48 Correct 4 ms 31320 KB Output is correct
49 Correct 5 ms 31064 KB Output is correct
50 Correct 6 ms 31064 KB Output is correct
51 Correct 5 ms 31064 KB Output is correct
52 Correct 5 ms 31064 KB Output is correct
53 Correct 5 ms 31064 KB Output is correct
54 Correct 5 ms 31140 KB Output is correct
55 Correct 5 ms 31064 KB Output is correct
56 Correct 4 ms 31064 KB Output is correct
57 Correct 3 ms 31064 KB Output is correct
58 Correct 34 ms 31576 KB Output is correct
59 Correct 49 ms 31320 KB Output is correct
60 Correct 11 ms 31320 KB Output is correct
61 Correct 48 ms 31320 KB Output is correct
62 Correct 11 ms 31064 KB Output is correct
63 Correct 49 ms 31424 KB Output is correct
64 Correct 97 ms 31320 KB Output is correct
65 Correct 99 ms 31320 KB Output is correct
66 Correct 97 ms 31320 KB Output is correct
67 Correct 61 ms 31320 KB Output is correct
68 Correct 68 ms 31320 KB Output is correct
69 Correct 27 ms 31320 KB Output is correct
70 Correct 119 ms 31320 KB Output is correct
71 Correct 4 ms 31064 KB Output is correct
72 Correct 4 ms 31232 KB Output is correct
73 Correct 4 ms 31064 KB Output is correct
74 Correct 4 ms 31064 KB Output is correct
75 Correct 4 ms 31064 KB Output is correct
76 Correct 4 ms 31064 KB Output is correct
77 Correct 5 ms 31228 KB Output is correct
78 Correct 4 ms 31064 KB Output is correct
79 Correct 4 ms 31192 KB Output is correct
80 Correct 4 ms 31064 KB Output is correct
81 Correct 4 ms 31064 KB Output is correct
82 Correct 5 ms 31064 KB Output is correct
83 Correct 5 ms 31064 KB Output is correct
84 Correct 4 ms 31064 KB Output is correct
85 Correct 4 ms 31064 KB Output is correct
86 Correct 4 ms 31064 KB Output is correct
87 Correct 4 ms 31064 KB Output is correct
88 Correct 4 ms 31064 KB Output is correct
89 Correct 4 ms 31064 KB Output is correct
90 Correct 4 ms 31064 KB Output is correct
91 Correct 4 ms 31064 KB Output is correct
92 Correct 4 ms 31216 KB Output is correct
93 Correct 3 ms 31236 KB Output is correct
94 Correct 5 ms 31064 KB Output is correct
95 Correct 11 ms 31320 KB Output is correct
96 Correct 14 ms 31320 KB Output is correct
97 Correct 12 ms 31320 KB Output is correct
98 Correct 14 ms 31320 KB Output is correct
99 Correct 17 ms 31320 KB Output is correct
100 Correct 4 ms 31312 KB Output is correct
101 Correct 4 ms 31064 KB Output is correct
102 Correct 12 ms 31320 KB Output is correct
103 Correct 12 ms 31320 KB Output is correct
104 Correct 12 ms 31316 KB Output is correct
105 Correct 14 ms 31572 KB Output is correct
106 Correct 13 ms 31320 KB Output is correct
107 Correct 4 ms 31064 KB Output is correct
108 Correct 4 ms 31320 KB Output is correct
109 Correct 4 ms 31320 KB Output is correct
110 Correct 4 ms 31332 KB Output is correct
111 Correct 4 ms 31320 KB Output is correct
112 Correct 4 ms 31320 KB Output is correct
113 Correct 5 ms 31376 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 31212 KB Output is correct
2 Correct 4 ms 31200 KB Output is correct
3 Correct 3 ms 31064 KB Output is correct
4 Correct 4 ms 31064 KB Output is correct
5 Correct 40 ms 49224 KB Output is correct
6 Correct 62 ms 53608 KB Output is correct
7 Correct 26 ms 42576 KB Output is correct
8 Correct 60 ms 53432 KB Output is correct
9 Correct 13 ms 34648 KB Output is correct
10 Correct 61 ms 53668 KB Output is correct
11 Correct 61 ms 52684 KB Output is correct
12 Correct 121 ms 53372 KB Output is correct
13 Correct 51 ms 52936 KB Output is correct
14 Correct 60 ms 53432 KB Output is correct
15 Correct 59 ms 53988 KB Output is correct
16 Correct 51 ms 54344 KB Output is correct
17 Correct 58 ms 54320 KB Output is correct
18 Correct 3 ms 31064 KB Output is correct
19 Correct 3 ms 31064 KB Output is correct
20 Correct 4 ms 31060 KB Output is correct
21 Correct 4 ms 31064 KB Output is correct
22 Correct 4 ms 31064 KB Output is correct
23 Correct 4 ms 31064 KB Output is correct
24 Correct 4 ms 31064 KB Output is correct
25 Correct 4 ms 31224 KB Output is correct
26 Correct 4 ms 31320 KB Output is correct
27 Correct 4 ms 31320 KB Output is correct
28 Correct 5 ms 31320 KB Output is correct
29 Correct 4 ms 31320 KB Output is correct
30 Correct 4 ms 31320 KB Output is correct
31 Correct 5 ms 31320 KB Output is correct
32 Correct 4 ms 31188 KB Output is correct
33 Correct 63 ms 53432 KB Output is correct
34 Correct 53 ms 53436 KB Output is correct
35 Correct 41 ms 53108 KB Output is correct
36 Correct 49 ms 53448 KB Output is correct
37 Correct 39 ms 54084 KB Output is correct
38 Correct 40 ms 54216 KB Output is correct
39 Correct 3 ms 31216 KB Output is correct
40 Correct 33 ms 43872 KB Output is correct
41 Correct 53 ms 53432 KB Output is correct
42 Correct 39 ms 52940 KB Output is correct
43 Correct 52 ms 53432 KB Output is correct
44 Correct 52 ms 54068 KB Output is correct
45 Correct 42 ms 54180 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 4 ms 31064 KB Output is correct
3 Correct 4 ms 31064 KB Output is correct
4 Correct 191 ms 41412 KB Output is correct
5 Correct 773 ms 53508 KB Output is correct
6 Correct 456 ms 34916 KB Output is correct
7 Correct 741 ms 53448 KB Output is correct
8 Correct 442 ms 38892 KB Output is correct
9 Correct 723 ms 53436 KB Output is correct
10 Correct 820 ms 52688 KB Output is correct
11 Correct 944 ms 53456 KB Output is correct
12 Correct 758 ms 52936 KB Output is correct
13 Correct 748 ms 53452 KB Output is correct
14 Correct 795 ms 54076 KB Output is correct
15 Correct 659 ms 54084 KB Output is correct
16 Correct 638 ms 54088 KB Output is correct
17 Correct 4 ms 31064 KB Output is correct
18 Correct 3 ms 31228 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 4 ms 31064 KB Output is correct
21 Correct 5 ms 31064 KB Output is correct
22 Correct 5 ms 31064 KB Output is correct
23 Correct 4 ms 31264 KB Output is correct
24 Correct 5 ms 31064 KB Output is correct
25 Correct 4 ms 31064 KB Output is correct
26 Correct 4 ms 31064 KB Output is correct
27 Correct 13 ms 31320 KB Output is correct
28 Correct 14 ms 31320 KB Output is correct
29 Correct 12 ms 31320 KB Output is correct
30 Correct 13 ms 31320 KB Output is correct
31 Correct 11 ms 31320 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 29 ms 44132 KB Output is correct
34 Correct 51 ms 53616 KB Output is correct
35 Correct 38 ms 52948 KB Output is correct
36 Correct 53 ms 53636 KB Output is correct
37 Correct 41 ms 54088 KB Output is correct
38 Correct 42 ms 54068 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 4 ms 31064 KB Output is correct
3 Correct 4 ms 31064 KB Output is correct
4 Correct 191 ms 41412 KB Output is correct
5 Correct 773 ms 53508 KB Output is correct
6 Correct 456 ms 34916 KB Output is correct
7 Correct 741 ms 53448 KB Output is correct
8 Correct 442 ms 38892 KB Output is correct
9 Correct 723 ms 53436 KB Output is correct
10 Correct 820 ms 52688 KB Output is correct
11 Correct 944 ms 53456 KB Output is correct
12 Correct 758 ms 52936 KB Output is correct
13 Correct 748 ms 53452 KB Output is correct
14 Correct 795 ms 54076 KB Output is correct
15 Correct 659 ms 54084 KB Output is correct
16 Correct 638 ms 54088 KB Output is correct
17 Correct 4 ms 31064 KB Output is correct
18 Correct 3 ms 31228 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 4 ms 31064 KB Output is correct
21 Correct 5 ms 31064 KB Output is correct
22 Correct 5 ms 31064 KB Output is correct
23 Correct 4 ms 31264 KB Output is correct
24 Correct 5 ms 31064 KB Output is correct
25 Correct 4 ms 31064 KB Output is correct
26 Correct 4 ms 31064 KB Output is correct
27 Correct 13 ms 31320 KB Output is correct
28 Correct 14 ms 31320 KB Output is correct
29 Correct 12 ms 31320 KB Output is correct
30 Correct 13 ms 31320 KB Output is correct
31 Correct 11 ms 31320 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 29 ms 44132 KB Output is correct
34 Correct 51 ms 53616 KB Output is correct
35 Correct 38 ms 52948 KB Output is correct
36 Correct 53 ms 53636 KB Output is correct
37 Correct 41 ms 54088 KB Output is correct
38 Correct 42 ms 54068 KB Output is correct
39 Correct 4 ms 31064 KB Output is correct
40 Correct 4 ms 31064 KB Output is correct
41 Correct 4 ms 31200 KB Output is correct
42 Correct 182 ms 41248 KB Output is correct
43 Correct 698 ms 53436 KB Output is correct
44 Correct 483 ms 34888 KB Output is correct
45 Correct 789 ms 53624 KB Output is correct
46 Correct 419 ms 38868 KB Output is correct
47 Correct 823 ms 53452 KB Output is correct
48 Correct 796 ms 52672 KB Output is correct
49 Correct 916 ms 53444 KB Output is correct
50 Correct 800 ms 52964 KB Output is correct
51 Correct 772 ms 53456 KB Output is correct
52 Correct 809 ms 54092 KB Output is correct
53 Correct 734 ms 54088 KB Output is correct
54 Correct 620 ms 54080 KB Output is correct
55 Correct 3 ms 31064 KB Output is correct
56 Correct 87 ms 53352 KB Output is correct
57 Correct 684 ms 53660 KB Output is correct
58 Correct 342 ms 35160 KB Output is correct
59 Correct 671 ms 53452 KB Output is correct
60 Correct 281 ms 39000 KB Output is correct
61 Correct 807 ms 53440 KB Output is correct
62 Correct 899 ms 52684 KB Output is correct
63 Correct 904 ms 53200 KB Output is correct
64 Correct 917 ms 53192 KB Output is correct
65 Correct 803 ms 53448 KB Output is correct
66 Correct 857 ms 54088 KB Output is correct
67 Correct 698 ms 54068 KB Output is correct
68 Correct 691 ms 54076 KB Output is correct
69 Correct 3 ms 31064 KB Output is correct
70 Correct 4 ms 31064 KB Output is correct
71 Correct 4 ms 31064 KB Output is correct
72 Correct 4 ms 31064 KB Output is correct
73 Correct 4 ms 31064 KB Output is correct
74 Correct 6 ms 31064 KB Output is correct
75 Correct 4 ms 31064 KB Output is correct
76 Correct 3 ms 31064 KB Output is correct
77 Correct 4 ms 31064 KB Output is correct
78 Correct 4 ms 31064 KB Output is correct
79 Correct 5 ms 31064 KB Output is correct
80 Correct 4 ms 31064 KB Output is correct
81 Correct 5 ms 31064 KB Output is correct
82 Correct 5 ms 31064 KB Output is correct
83 Correct 5 ms 31064 KB Output is correct
84 Correct 4 ms 31064 KB Output is correct
85 Correct 5 ms 31064 KB Output is correct
86 Correct 18 ms 31320 KB Output is correct
87 Correct 15 ms 31424 KB Output is correct
88 Correct 15 ms 31396 KB Output is correct
89 Correct 17 ms 31320 KB Output is correct
90 Correct 13 ms 31320 KB Output is correct
91 Correct 4 ms 31064 KB Output is correct
92 Correct 4 ms 31064 KB Output is correct
93 Correct 14 ms 31320 KB Output is correct
94 Correct 14 ms 31320 KB Output is correct
95 Correct 13 ms 31320 KB Output is correct
96 Correct 16 ms 31320 KB Output is correct
97 Correct 11 ms 31320 KB Output is correct
98 Correct 4 ms 31064 KB Output is correct
99 Correct 58 ms 53568 KB Output is correct
100 Correct 58 ms 53440 KB Output is correct
101 Correct 45 ms 52928 KB Output is correct
102 Correct 55 ms 53656 KB Output is correct
103 Correct 48 ms 54076 KB Output is correct
104 Correct 53 ms 54072 KB Output is correct
105 Correct 4 ms 31200 KB Output is correct
106 Correct 32 ms 43864 KB Output is correct
107 Correct 54 ms 53448 KB Output is correct
108 Correct 39 ms 52932 KB Output is correct
109 Correct 49 ms 53480 KB Output is correct
110 Correct 43 ms 54080 KB Output is correct
111 Correct 41 ms 54220 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 31064 KB Output is correct
2 Correct 3 ms 31064 KB Output is correct
3 Execution timed out 4057 ms 48156 KB Time limit exceeded
4 Halted 0 ms 0 KB -