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Submission #981163

# Submission time Handle Problem Language Result Execution time Memory
981163 2024-05-13T00:44:04 Z Darren0724 Rainforest Jumps (APIO21_jumps) C++17
31 / 100
 4000 ms 37376 KB 
#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> v,a,b,pl;
int jump[20][200005];
int jump1[20][200005];
void init(int N, vector<int> H) {
	n=N;
	v=H;
	a.resize(n,-1);
	b.resize(n,-1);
	pl.resize(n+1);
	vector<int> st;
	for(int i=0;i<n;i++){
		pl[v[i]]=i;
		while(st.size()&&v[st.back()]<v[i]){
			st.pop_back();
		}
		a[i]=(st.size()?st.back():-1);
		st.push_back(i);
	}
	st.clear();
	for(int i=n-1;i>=0;i--){
		while(st.size()&&v[st.back()]<v[i]){
			st.pop_back();
		}
		b[i]=(st.size()?st.back():-1);
		st.push_back(i);
	}
	for(int i=0;i<n;i++){
		if(a[i]==-1)swap(a[i],b[i]);
		else if(b[i]==-1)continue;
		else {
			if(v[a[i]]<v[b[i]]){
				swap(a[i],b[i]);
			}
		}
	}
	for(int j=n;j>=1;j--){
		int i=pl[j];
		int now=a[i];
		jump[0][i]=now;
		for(int k=1;k<20;k++){
			if(now==-1){
				jump[k][i]=-1;
				continue;
			}
			else{
				now=jump[k][i]=jump[k-1][now];
			}
		}
		now=b[i];
		jump1[0][i]=now;
		for(int k=1;k<20;k++){
			if(now==-1){
				jump1[k][i]=-1;
				continue;
			}
			else{
				now=jump1[k][i]=jump1[k-1][now];
			}
		}
	}
}
int f(int A, int C) {
    int ans=0;
	int now=A;
	for(int k=19;k>=0;k--){
		int tmp=jump[k][now];
		if(tmp!=-1&&v[tmp]<=v[C]){
			ans+=(1<<k);
			now=tmp;
		}
	}
	for(int k=19;k>=0;k--){
		int tmp=jump1[k][now];
		if(tmp!=-1&&v[tmp]<=v[C]){
			ans+=(1<<k);
			now=tmp;
		}
	}
	if(now!=C)ans=1e9;
	return ans;
}
int minimum_jumps(int A, int B, int C, int D) {
    int ans=1e9;
	for(int i=A;i<=B;i++){
		for(int j=C;j<=D;j++){
			ans=min(ans,f(i,j));
		}
	}
	if(ans==1e9)ans=-1;
	return ans;
}

Subtask #1
0 / 4.0

# 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 Execution timed out 4045 ms 35996 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 3 ms 31064 KB Output is correct
5 Correct 4 ms 31064 KB Output is correct
6 Correct 14 ms 31176 KB Output is correct
7 Correct 9 ms 31064 KB Output is correct
8 Correct 13 ms 31064 KB Output is correct
9 Correct 5 ms 31064 KB Output is correct
10 Correct 14 ms 31320 KB Output is correct
11 Correct 13 ms 31064 KB Output is correct
12 Correct 12 ms 31064 KB Output is correct
13 Correct 13 ms 31076 KB Output is correct
14 Correct 15 ms 31064 KB Output is correct
15 Correct 16 ms 31064 KB Output is correct
16 Correct 13 ms 31064 KB Output is correct
17 Correct 6 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 5 ms 31064 KB Output is correct
23 Correct 6 ms 31064 KB Output is correct
24 Correct 5 ms 31064 KB Output is correct
25 Correct 3 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 4 ms 31064 KB Output is correct
29 Correct 4 ms 31064 KB Output is correct
30 Correct 4 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 4 ms 31064 KB Output is correct
34 Correct 4 ms 31064 KB Output is correct
35 Correct 4 ms 31064 KB Output is correct
36 Correct 4 ms 31204 KB Output is correct
37 Correct 4 ms 31060 KB Output is correct
38 Correct 4 ms 31064 KB Output is correct
39 Correct 4 ms 31064 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 3 ms 31064 KB Output is correct
5 Correct 4 ms 31064 KB Output is correct
6 Correct 14 ms 31176 KB Output is correct
7 Correct 9 ms 31064 KB Output is correct
8 Correct 13 ms 31064 KB Output is correct
9 Correct 5 ms 31064 KB Output is correct
10 Correct 14 ms 31320 KB Output is correct
11 Correct 13 ms 31064 KB Output is correct
12 Correct 12 ms 31064 KB Output is correct
13 Correct 13 ms 31076 KB Output is correct
14 Correct 15 ms 31064 KB Output is correct
15 Correct 16 ms 31064 KB Output is correct
16 Correct 13 ms 31064 KB Output is correct
17 Correct 6 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 5 ms 31064 KB Output is correct
23 Correct 6 ms 31064 KB Output is correct
24 Correct 5 ms 31064 KB Output is correct
25 Correct 3 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 4 ms 31064 KB Output is correct
29 Correct 4 ms 31064 KB Output is correct
30 Correct 4 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 4 ms 31064 KB Output is correct
34 Correct 4 ms 31064 KB Output is correct
35 Correct 4 ms 31064 KB Output is correct
36 Correct 4 ms 31204 KB Output is correct
37 Correct 4 ms 31060 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 3 ms 31064 KB Output is correct
42 Correct 4 ms 31176 KB Output is correct
43 Correct 4 ms 31064 KB Output is correct
44 Correct 4 ms 31064 KB Output is correct
45 Correct 14 ms 31064 KB Output is correct
46 Correct 9 ms 31064 KB Output is correct
47 Correct 18 ms 31216 KB Output is correct
48 Correct 5 ms 31064 KB Output is correct
49 Correct 13 ms 31400 KB Output is correct
50 Correct 13 ms 31064 KB Output is correct
51 Correct 13 ms 31064 KB Output is correct
52 Correct 13 ms 31064 KB Output is correct
53 Correct 15 ms 31072 KB Output is correct
54 Correct 15 ms 31064 KB Output is correct
55 Correct 12 ms 31064 KB Output is correct
56 Correct 6 ms 31316 KB Output is correct
57 Correct 4 ms 31064 KB Output is correct
58 Execution timed out 4013 ms 31064 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 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 Execution timed out 4043 ms 35388 KB Time limit exceeded
6 Halted 0 ms 0 KB -

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 177 ms 33556 KB Output is correct
5 Correct 670 ms 36292 KB Output is correct
6 Correct 428 ms 32084 KB Output is correct
7 Correct 690 ms 36308 KB Output is correct
8 Correct 389 ms 32972 KB Output is correct
9 Correct 698 ms 36440 KB Output is correct
10 Correct 724 ms 37316 KB Output is correct
11 Correct 757 ms 37268 KB Output is correct
12 Correct 761 ms 37184 KB Output is correct
13 Correct 694 ms 36432 KB Output is correct
14 Correct 779 ms 36932 KB Output is correct
15 Correct 702 ms 37376 KB Output is correct
16 Correct 646 ms 37164 KB Output is correct
17 Correct 3 ms 31064 KB Output is correct
18 Correct 4 ms 31064 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 4 ms 31316 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 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 12 ms 31064 KB Output is correct
28 Correct 12 ms 31064 KB Output is correct
29 Correct 13 ms 31064 KB Output is correct
30 Correct 12 ms 31064 KB Output is correct
31 Correct 12 ms 31064 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 45 ms 34136 KB Output is correct
34 Correct 93 ms 36312 KB Output is correct
35 Correct 42 ms 37180 KB Output is correct
36 Correct 69 ms 36300 KB Output is correct
37 Correct 43 ms 36932 KB Output is correct
38 Correct 40 ms 37164 KB Output is correct

Subtask #6
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 177 ms 33556 KB Output is correct
5 Correct 670 ms 36292 KB Output is correct
6 Correct 428 ms 32084 KB Output is correct
7 Correct 690 ms 36308 KB Output is correct
8 Correct 389 ms 32972 KB Output is correct
9 Correct 698 ms 36440 KB Output is correct
10 Correct 724 ms 37316 KB Output is correct
11 Correct 757 ms 37268 KB Output is correct
12 Correct 761 ms 37184 KB Output is correct
13 Correct 694 ms 36432 KB Output is correct
14 Correct 779 ms 36932 KB Output is correct
15 Correct 702 ms 37376 KB Output is correct
16 Correct 646 ms 37164 KB Output is correct
17 Correct 3 ms 31064 KB Output is correct
18 Correct 4 ms 31064 KB Output is correct
19 Correct 4 ms 31064 KB Output is correct
20 Correct 4 ms 31316 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 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 12 ms 31064 KB Output is correct
28 Correct 12 ms 31064 KB Output is correct
29 Correct 13 ms 31064 KB Output is correct
30 Correct 12 ms 31064 KB Output is correct
31 Correct 12 ms 31064 KB Output is correct
32 Correct 4 ms 31064 KB Output is correct
33 Correct 45 ms 34136 KB Output is correct
34 Correct 93 ms 36312 KB Output is correct
35 Correct 42 ms 37180 KB Output is correct
36 Correct 69 ms 36300 KB Output is correct
37 Correct 43 ms 36932 KB Output is correct
38 Correct 40 ms 37164 KB Output is correct
39 Correct 3 ms 31064 KB Output is correct
40 Correct 4 ms 31064 KB Output is correct
41 Correct 3 ms 31064 KB Output is correct
42 Correct 172 ms 33560 KB Output is correct
43 Correct 764 ms 36444 KB Output is correct
44 Correct 440 ms 32088 KB Output is correct
45 Correct 701 ms 36380 KB Output is correct
46 Correct 388 ms 33036 KB Output is correct
47 Correct 712 ms 36552 KB Output is correct
48 Correct 804 ms 37212 KB Output is correct
49 Correct 730 ms 37176 KB Output is correct
50 Correct 787 ms 37180 KB Output is correct
51 Correct 695 ms 36448 KB Output is correct
52 Correct 723 ms 36932 KB Output is correct
53 Correct 705 ms 37172 KB Output is correct
54 Correct 654 ms 37180 KB Output is correct
55 Correct 4 ms 31064 KB Output is correct
56 Execution timed out 4093 ms 36432 KB Time limit exceeded
57 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 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 Execution timed out 4045 ms 35996 KB Time limit exceeded
4 Halted 0 ms 0 KB -