CSES - Datatähti 2020 loppu - Results
Submission details
Task:Riippuliito
Sender:Pekka Hautaniemi
Submission time:2020-02-09 16:21:25 +0200
Language:C++11
Status:READY
Result:39
Feedback
groupverdictscore
#1ACCEPTED18
#2ACCEPTED21
#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
#8ACCEPTED0.03 s2, 3details
#9ACCEPTED0.04 s2, 3details
#10ACCEPTED0.05 s2, 3details
#11ACCEPTED0.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.03 s2, 3details
#14ACCEPTED0.05 s2, 3details
#15--3details
#16--3details
#17--3details
#18--3details
#19ACCEPTED0.11 s3details
#20--3details
#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;
int main() {
    int n, o = 0;
    vector<int> h, hi;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int t;
        cin >> t;
        h.push_back(t);
        hi.push_back(-1);
    }

    for (int i = 0; i < n; i++) {
        int nh = INT_MAX;
        int ni = -1;
        for (int j = i+1; j < n; j++) {
            if (h[i] < h[j] && h[j] < nh) {
                ni = j;
                nh = h[j];
                break;
            }
        }

        for (int j = i-1; j >= 0; j--) {
            if (h[i] < h[j] && h[j] < nh) {
                ni = j;
                nh = h[j];
                break;
            } else if (h[j] > nh)
                break;
        }
        hi[i] = ni;
    }

//    for (auto it : hi)
//        cout << it << endl;


    for (int i = 0; i < n; i++) {
        int c = 1;
        int j = hi[i];
        while (j != -1) {
            j = hi[j];
            c++;
        }
        o = max(c, o);
    }



    cout << o;
}

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: ACCEPTED

input
5000
123456789 123456790 123456791 ...

correct output
2706

user output
2706

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
5000
123456789 123456790 123456791 ...

correct output
5000

user output
5000

Test 15

Group: 3

Verdict:

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

correct output
1

user output
(empty)

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:

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

correct output
10

user output
(empty)

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
(empty)

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