CSES - Datatähti 2020 loppu - Results
Submission details
Task:Riippuliito
Sender:Jesperi Luoto
Submission time:2020-02-09 15:33:43 +0200
Language:C++ (C++17)
Status:READY
Result:18
Feedback
groupverdictscore
#1ACCEPTED18
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.02 s2, 3details
#10ACCEPTED0.02 s2, 3details
#11ACCEPTED0.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#130.01 s2, 3details
#14ACCEPTED0.02 s2, 3details
#15ACCEPTED0.02 s3details
#16--3details
#17--3details
#18ACCEPTED0.03 s3details
#19ACCEPTED0.04 s3details
#200.33 s3details
#21--3details
#22ACCEPTED0.01 s1, 2, 3details
#23ACCEPTED0.01 s1, 2, 3details
#24ACCEPTED0.01 s1, 2, 3details
#25ACCEPTED0.01 s1, 2, 3details
#26ACCEPTED0.01 s1, 2, 3details
#27ACCEPTED0.01 s1, 2, 3details
#28ACCEPTED0.01 s1, 2, 3details
#29ACCEPTED0.01 s1, 2, 3details

Code

#include <bits/stdc++.h>
using namespace std;
//g++ -O2 -Wall source.cpp -o exe

long long heights[200000];

long long scan(long long pos, long long n, long long suunta)
{
        long long daSpot = -1;
        long long daSpotHeight = -1;
        for(long long i = (pos+suunta); (i < n)&&(i >= 0); i+=suunta)
        {
                if(heights[i] >= heights[pos])
                {
                        break;
                }
                else if(heights[i] > daSpotHeight)
                {
                        daSpot = i;
                        daSpotHeight = heights[i];
                }
        }
        if(daSpot == -1)
        {
                return 0;
        }
        else
        {
                return max(scan(daSpot, n, 1), scan(daSpot, n, -1)) + 1;
        }
}


int main()
{
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        //epic

        long long n;
        cin >> n;
        long long topHeight = -1;
    	long long topHeights = 0;
	long long topPosses[n];
        for(long long i = 0; i < n; i++)
        {
                cin >> heights[i];
                if(heights[i] > topHeight)
                {
                        topHeights = 1;
                        topPosses[0] = i;
			topHeight = heights[i];
                }
		else if(heights[i] == topHeight)
		{
			topHeights++;
			topPosses[topHeights-1] = i;
		}
        }
	long long result = 0;
	for(long long i = 0; i < topHeights; i++)
	{
		result = max(max(scan(topPosses[i], n, -1), scan(topPosses[i], n, 1)), result);
	}
        cout << result+1;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
1 1 1 1 1 1 1 1 1 1

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
1 2 3 4 5 6 7 8 9 10

correct output
10

user output
10

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
10 9 8 7 6 5 4 3 2 1

correct output
10

user output
10

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
10 9 6 10 10 3 6 7 6 5

correct output
4

user output
4

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
51 90 27 98 85 47 14 55 82 52

correct output
6

user output
6

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
9 65 90 86 45 52 52 95 40 85

correct output
5

user output
5

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
3 46 77 16 59 32 22 41 87 89

correct output
7

user output
7

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
5000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1

user output
1

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
5000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
5000

user output
5000

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
5000
5000 4999 4998 4997 4996 4995 ...

correct output
5000

user output
5000

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
5000
10 8 10 5 4 9 2 9 10 10 1 2 7 ...

correct output
9

user output
9

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
5000
655923386 310000737 281882248 ...

correct output
28

user output
28

Test 13

Group: 2, 3

Verdict:

input
5000
123456789 123456790 123456791 ...

correct output
2706

user output
2330

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
5000
123456789 123456790 123456791 ...

correct output
5000

user output
5000

Test 15

Group: 3

Verdict: ACCEPTED

input
200000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1

user output
1

Test 16

Group: 3

Verdict:

input
200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
200000

user output
(empty)

Test 17

Group: 3

Verdict:

input
200000
200000 199999 199998 199997 19...

correct output
200000

user output
(empty)

Test 18

Group: 3

Verdict: ACCEPTED

input
200000
4 7 8 3 3 10 3 4 2 6 10 8 5 8 ...

correct output
10

user output
10

Test 19

Group: 3

Verdict: ACCEPTED

input
200000
824527039 112439661 517794857 ...

correct output
43

user output
43

Test 20

Group: 3

Verdict:

input
200000
123456789 123456790 123456791 ...

correct output
30764

user output
2727

Test 21

Group: 3

Verdict:

input
200000
123456789 123456790 123456791 ...

correct output
61367

user output
(empty)

Test 22

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
1

correct output
1

user output
1

Test 23

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
1 1

correct output
1

user output
1

Test 24

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
1 2

correct output
2

user output
2

Test 25

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
2 1

correct output
2

user output
2

Test 26

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 1

correct output
2

user output
2

Test 27

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 3

correct output
3

user output
3

Test 28

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
3 2 1

correct output
3

user output
3

Test 29

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
2 1 2

correct output
2

user output
2