CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Tikut
Sender:	adex720
Submission time:	2024-10-28 21:52:02 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0
#6	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.00 s	1, 3, 4, 5, 6	details
#2	WRONG ANSWER	0.00 s	1, 4, 5, 6	details
#3	WRONG ANSWER	0.00 s	1, 4, 5, 6	details
#4	WRONG ANSWER	0.01 s	1, 4, 5, 6	details
#5	WRONG ANSWER	0.00 s	2, 5, 6	details
#6	WRONG ANSWER	0.00 s	2, 5, 6	details
#7	WRONG ANSWER	0.00 s	3, 5, 6	details
#8	WRONG ANSWER	0.00 s	3, 5, 6	details
#9	WRONG ANSWER	0.01 s	3, 5, 6	details
#10	WRONG ANSWER	0.00 s	3, 5, 6	details
#11	WRONG ANSWER	0.00 s	3, 5, 6	details
#12	WRONG ANSWER	0.00 s	4, 5, 6	details
#13	WRONG ANSWER	0.00 s	4, 5, 6	details
#14	WRONG ANSWER	0.00 s	4, 5, 6	details
#15	WRONG ANSWER	0.00 s	4, 5, 6	details
#16	WRONG ANSWER	0.00 s	5, 6	details
#17	WRONG ANSWER	0.00 s	5, 6	details
#18	WRONG ANSWER	0.00 s	5, 6	details
#19	WRONG ANSWER	0.00 s	5, 6	details
#20	WRONG ANSWER	0.02 s	6	details
#21	WRONG ANSWER	0.01 s	6	details
#22	WRONG ANSWER	0.02 s	6	details

Code

#include <bits/stdc++.h>
using namespace std;

int ero(set<int> set)
{
    int pienin = 1e9;
    int suurin = 0;

    for (int i : set)
    {
        if (i < pienin)
        {
            pienin = i;
        }
        if (i > suurin)
        {
            suurin = i;
        }
    }
    return suurin - pienin;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;

    int pituudet[n];
    for (int i = 0; i < n; i++)
    {
        cin >> pituudet[i];
    }

    int suurin = pituudet[0];
    int toiseksiSuurin = -1;
    int kolmanneksiSuurin = -1;
    int pienin = pituudet[0];

    for (int i = 0; i < n; i++)
    {
        int arvo = pituudet[i];

        if (arvo > suurin)
        {
            kolmanneksiSuurin = toiseksiSuurin;
            toiseksiSuurin = suurin;
            suurin = arvo;
            continue;
        }

        if (arvo < pienin)
        {
            pienin = arvo;
        }

        if (arvo > toiseksiSuurin)
        {
            kolmanneksiSuurin = toiseksiSuurin;
            toiseksiSuurin = arvo;
        }
        else if (arvo > kolmanneksiSuurin)
        {
            kolmanneksiSuurin = arvo;
        }
    }

    if (m <= 2)
    {
        set<int> arvot;

        arvot.insert(pienin);
        if (n > 2)
            arvot.insert(toiseksiSuurin);
        arvot.insert((suurin + 1) >> 1);
        arvot.insert(suurin >> 1);

        cout << ero(arvot);

        if (m == 1)
        {
            return 0;
        }

        arvot.clear();

        arvot.insert(pienin);
        if (n > 2)
            arvot.insert(toiseksiSuurin);
        arvot.insert((suurin + 2) / 3);
        arvot.insert(suurin / 3);

        int kolmeenOsaan = ero(arvot);

        if (n == 2)
        {
            cout << kolmeenOsaan;
            return 0;
        }

        arvot.clear();

        arvot.insert(pienin);
        arvot.insert((suurin + 1) >> 1);
        arvot.insert(suurin >> 1);
        arvot.insert((toiseksiSuurin + 1) >> 1);
        arvot.insert(toiseksiSuurin >> 1);
        if (n > 3)
            arvot.insert(kolmanneksiSuurin);

        int kaksiPuoliksi = ero(arvot);

        cout << min(kolmeenOsaan, kaksiPuoliksi);
        return 0;
    }

    cout << -1;
}

Test details

Test 1

Group: 1, 3, 4, 5, 6

Verdict: WRONG ANSWER

input
`1 1 6` view save

correct output
`0` view save

user output
`3` view save

Test 2

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

input
`5 10 4 8 6 2 7` view save

correct output
`5 4 2 2 2 1 1 1 1 1` view save

user output
`-1` view save

Test 3

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

input
`5 10 5 5 8 6 7` view save

correct output
`3 3 2 3 2 2 1 1 1 2` view save

user output
`-1` view save

Test 4

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

input
`5 10 8 7 9 6 10` view save

correct output
`4 4 3 3 2 2 1 2 2 1` view save

user output
`-1` view save

Test 5

Group: 2, 5, 6

Verdict: WRONG ANSWER

input
`1000 1071 3 2 3 1 3 3 2 3 2 3 2 2 2 1 2 ...` view save

correct output
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

user output
`-1` view save

Test 6

Group: 2, 5, 6

Verdict: WRONG ANSWER

input
`1000 1500 3 2 2 3 2 3 2 2 2 3 2 2 3 3 3 ...` view save

correct output
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

user output
`-1` view save

Test 7

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 15 710 210 347 398 66 318 277 ...` view save

correct output
`994 994` view save

user output
`994994` view save

Test 8

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 743 890 592 942 736 969 616 50...` view save

correct output
`498 496` view save

user output
`498496` view save

Test 9

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 987 968 920 994 988 918 914 95...` view save

correct output
`500 500` view save

user output
`500500` view save

Test 10

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 996 1000 998 998 999 997 997 9...` view save

correct output
`500 500` view save

user output
`500500` view save

Test 11

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 501 501 501 501 501 501 501 50...` view save

correct output
`1 168` view save

user output
`1168` view save

Test 12

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 145 136 74 83 73 36 196 115 11...` view save

correct output
`194 190 189 183 182 181 181 17...` view save

user output
`-1` view save

Test 13

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 157 110 168 155 192 107 146 15...` view save

correct output
`95 96 96 95 93 94 94 94 90 91 ...` view save

user output
`-1` view save

Test 14

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`50 200 137 118 160 118 146 160 140 18...` view save

correct output
`98 98 98 96 90 91 88 88 84 86 ...` view save

user output
`-1` view save

Test 15

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 147 174 186 148 155 128 158 18...` view save

correct output
`99 99 98 98 97 97 96 96 95 95 ...` view save

user output
`-1` view save

Test 16

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 928772177 816188227 216592201 ...` view save

correct output
`991676844 990940224 990685481 ...` view save

user output
`-1` view save

Test 17

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 665759876 597950008 615453266 ...` view save

correct output
`498801198 498681904 498504321 ...` view save

user output
`-1` view save

Test 18

Group: 5, 6

Verdict: WRONG ANSWER

input
`500 2000 683288817 784230412 626685186 ...` view save

correct output
`497667621 498434895 495465990 ...` view save

user output
`-1` view save

Test 19

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 666667000 809309500 571572000 ...` view save

correct output
`499499500 499249250 498999000 ...` view save

user output
`-1` view save

Test 20

Group: 6

Verdict: WRONG ANSWER

input
`100000 200000 861772559 734298084 983382252 ...` view save

correct output
`499973914 499985299 499985141 ...` view save

user output
`-1` view save

Test 21

Group: 6

Verdict: WRONG ANSWER

input
`30000 200000 691834579 617419813 514778075 ...` view save

correct output
`499967533 499976270 499969810 ...` view save

user output
`-1` view save

Test 22

Group: 6

Verdict: WRONG ANSWER

input
`100000 200000 820255000 960780000 741965000 ...` view save

correct output
`499995000 499992500 499990000 ...` view save

user output
`-1` view save

Datatähti 2025 alku

Tikut

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

Test 18

Test 19

Test 20

Test 21

Test 22

Tasks

Submissions (adex720)