CSES - Datatähti 2021 alku

CSES - Datatähti 2021 alku - Results

Submission details
Task:	Alitaulukot
Sender:	nireo
Submission time:	2020-09-30 20:14:56 +0300
Language:	C++ (C++17)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.01 s	1, 2, 3	details
#2	WRONG ANSWER	0.01 s	1, 2, 3	details
#3	WRONG ANSWER	0.01 s	1, 2, 3	details
#4	WRONG ANSWER	0.01 s	1, 2, 3	details
#5	WRONG ANSWER	0.01 s	1, 2, 3	details
#6	WRONG ANSWER	0.01 s	2, 3	details
#7	WRONG ANSWER	0.01 s	2, 3	details
#8	WRONG ANSWER	0.01 s	2, 3	details
#9	WRONG ANSWER	0.01 s	2, 3	details
#10	WRONG ANSWER	0.01 s	2, 3	details
#11	WRONG ANSWER	0.02 s	3	details
#12	WRONG ANSWER	0.03 s	3	details
#13	WRONG ANSWER	0.03 s	3	details
#14	WRONG ANSWER	0.05 s	3	details
#15	WRONG ANSWER	0.05 s	3	details
#16	WRONG ANSWER	0.04 s	3	details
#17	WRONG ANSWER	0.04 s	3	details

Code

#include <bits/stdc++.h>
using namespace std;
int n, k;

int main() {
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) cin >> a[i];
    int ans = 0;
    int start = 0, end = 0;

    // muodosta molemmanpuoleinen jono kaikista
    deque<int> mins;
    deque<int> maxs;

    while (end < n) {
        // poista minimi jonosta arvot, jotka ovat suurempia, kuin a[end]
        while (!mins.empty() && a[mins.back()] >= a[end]) mins.pop_back();

        // lisaa jonoon uusin arvo
        mins.push_back(end);

        // poista maksimi jonosta arvot, jotka ovat pienempia, kuin a[end]
        while (!maxs.empty() && a[maxs.back()] <= a[end]) maxs.pop_back();

        // lisaa jonoon uusin arvo
        maxs.push_back(end);

        // tarkista, etta ehto sopii
        if (a[maxs.front()] - a[mins.front()] <= k) {
            // lisaamme lopussa kaikki yksittaiset arvot, joten taalle ei
            // tarvitse
            if (start == end) ans--;
            ans++;
            end++;
        } else {
            while (start < end) {
                start++;

                // jos indeksi on suurempi kuin pienemman tai suurimman arvon
                // indeksi poista jonosta, koska se ei ole ikkunan sisalla.
                if (start > maxs.front()) maxs.pop_front();
                if (start > mins.front()) mins.pop_front();
                if (a[maxs.front()] - a[mins.front()] <= k) ans++;
            }
        }
    }

    cout << ans + n;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5050` view save

user output
`199` view save

Test 2

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 2 5 5 2 4 3 5 3 4 3 2 3 4 5 4 4 ...` view save

correct output
`317` view save

user output
`219` view save

Test 3

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 10 71 60 61 96 25 10 10 9 84 85 1...` view save

correct output
`119` view save

user output
`199` view save

Test 4

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 990000000 111122929 961821360 578238211 ...` view save

correct output
`4006` view save

user output
`273` view save

Test 5

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 1000000000 553190572 453407680 667300705 ...` view save

correct output
`5050` view save

user output
`199` view save

Test 6

Group: 2, 3

Verdict: WRONG ANSWER

input
`2000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`2001000` view save

user output
`3999` view save

Test 7

Group: 2, 3

Verdict: WRONG ANSWER

input
`2000 2 4 4 1 4 2 3 1 2 1 3 5 2 2 4 4 ...` view save

correct output
`6340` view save

user output
`4374` view save

Test 8

Group: 2, 3

Verdict: WRONG ANSWER

input
`2000 10 65 88 33 88 41 10 17 38 22 3 8...` view save

correct output
`2413` view save

user output
`4017` view save

Test 9

Group: 2, 3

Verdict: WRONG ANSWER

input
`2000 999000000 746120950 772769620 721488968 ...` view save

correct output
`1287776` view save

user output
`4676` view save

Test 10

Group: 2, 3

Verdict: WRONG ANSWER

input
`2000 1000000000 621947980 510355354 756705418 ...` view save

correct output
`2001000` view save

user output
`3999` view save

Test 11

Group: 3

Verdict: WRONG ANSWER

input
`100000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5000050000` view save

user output
`199999` view save

Test 12

Group: 3

Verdict: WRONG ANSWER

input
`100000 2 3 3 1 3 3 1 1 5 1 2 5 4 1 3 1 ...` view save

correct output
`317066` view save

user output
`218011` view save

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100000 10 10 3 6 3 43 60 5 48 15 27 86 4...` view save

correct output
`123292` view save

user output
`201054` view save

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100000 999990000 460235639 963048588 47270983 3...` view save

correct output
`4946886742` view save

user output
`210940` view save

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`100000 1000000000 885457070 18257718 927615960 3...` view save

correct output
`5000050000` view save

user output
`199999` view save

Test 16

Group: 3

Verdict: WRONG ANSWER

input
`100000 50000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`3750075000` view save

user output
`249999` view save

Test 17

Group: 3

Verdict: WRONG ANSWER

input
`100000 50000 100000 99999 99998 99997 99996...` view save

correct output
`3750075000` view save

user output
`249999` view save

Datatähti 2021 alku

Alitaulukot

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (nireo)