CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	jsesok
Submission time:	2026-09-30 14:28:07 +0300
Language:	C++ (C++23)
Status:	READY
Result:	23

Feedback
subtask	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0
#4	TIME LIMIT EXCEEDED	0
#5	ACCEPTED	23
#6	WRONG ANSWER	0
#7	WRONG ANSWER	0

Test results
test	verdict	time	subtask
#1	WRONG ANSWER	0.00 s	2, 6, 7	details
#2	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#3	WRONG ANSWER	0.00 s	2, 6, 7	details
#4	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#5	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#6	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#7	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#8	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#9	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#10	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#11	WRONG ANSWER	0.00 s	2, 6, 7	details
#12	WRONG ANSWER	0.00 s	2, 6, 7	details
#13	WRONG ANSWER	0.00 s	2, 6, 7	details
#14	WRONG ANSWER	0.00 s	2, 6, 7	details
#15	WRONG ANSWER	0.00 s	2, 6, 7	details
#16	WRONG ANSWER	0.09 s	3, 7	details
#17	WRONG ANSWER	0.09 s	3, 7	details
#18	WRONG ANSWER	0.09 s	3, 7	details
#19	WRONG ANSWER	0.09 s	3, 7	details
#20	WRONG ANSWER	0.09 s	3, 7	details
#21	WRONG ANSWER	0.09 s	3, 7	details
#22	WRONG ANSWER	0.09 s	3, 7	details
#23	WRONG ANSWER	0.09 s	3, 7	details
#24	TIME LIMIT EXCEEDED	--	4, 7	details
#25	TIME LIMIT EXCEEDED	--	4, 7	details
#26	TIME LIMIT EXCEEDED	--	4, 7	details
#27	TIME LIMIT EXCEEDED	--	4, 7	details
#28	TIME LIMIT EXCEEDED	--	4, 7	details
#29	TIME LIMIT EXCEEDED	--	4, 7	details
#30	ACCEPTED	0.01 s	5, 6, 7	details
#31	ACCEPTED	0.03 s	5, 6, 7	details
#32	ACCEPTED	0.03 s	5, 6, 7	details
#33	ACCEPTED	0.12 s	5, 6, 7	details
#34	ACCEPTED	0.01 s	5, 6, 7	details
#35	ACCEPTED	0.04 s	5, 6, 7	details
#36	WRONG ANSWER	0.03 s	6, 7	details
#37	WRONG ANSWER	0.03 s	6, 7	details
#38	WRONG ANSWER	0.05 s	6, 7	details
#39	WRONG ANSWER	0.05 s	6, 7	details
#40	WRONG ANSWER	0.04 s	6, 7	details
#41	WRONG ANSWER	0.04 s	6, 7	details
#42	TIME LIMIT EXCEEDED	--	7	details
#43	TIME LIMIT EXCEEDED	--	7	details
#44	TIME LIMIT EXCEEDED	--	7	details
#45	TIME LIMIT EXCEEDED	--	7	details
#46	TIME LIMIT EXCEEDED	--	7	details
#47	TIME LIMIT EXCEEDED	--	7	details
#48	TIME LIMIT EXCEEDED	--	7	details
#49	TIME LIMIT EXCEEDED	--	7	details
#50	TIME LIMIT EXCEEDED	--	7	details
#51	TIME LIMIT EXCEEDED	--	7	details
#52	ACCEPTED	0.00 s	1, 2, 3, 5, 6, 7	details
#53	ACCEPTED	0.00 s	1, 2, 3, 4, 5, 6, 7	details
#54	ACCEPTED	0.00 s	2, 5, 6, 7	details
#55	WRONG ANSWER	0.00 s	1, 2, 3, 4, 6, 7	details
#56	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#57	WRONG ANSWER	0.00 s	6, 7	details
#58	WRONG ANSWER	0.03 s	3, 4, 7	details
#59	WRONG ANSWER	0.03 s	3, 7	details
#60	WRONG ANSWER	0.00 s	2, 6, 7	details
#61	WRONG ANSWER	0.00 s	2, 6, 7	details
#62	WRONG ANSWER	0.00 s	2, 6, 7	details
#63	WRONG ANSWER	0.00 s	2, 6, 7	details
#64	WRONG ANSWER	0.00 s	2, 6, 7	details

Code

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

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

    int n, q;
    cin >> n >> q;

    vector<int> a(n);

    for (int i = 0; i < n; ++i)
        cin >> a[i];

    // cnt[i] = сколько позиций 0..i-1 уже правильные
    vector<int> cnt(n + 1, 0);

    for (int i = 0; i < n; ++i)
        cnt[i + 1] = cnt[i] + (a[i] == i + 1);

    // prefix maximum
    vector<int> ma(n);

    ma[0] = a[0];

    for (int i = 1; i < n; ++i)
        ma[i] = max(ma[i - 1], a[i]);

    // suffix minimum
    vector<int> mi(n);

    mi[n - 1] = a[n - 1];

    for (int i = n - 2; i >= 0; --i)
        mi[i] = min(mi[i + 1], a[i]);


    auto calc = [&](int d,
                    int ba,
                    int bb,
                    int bam,
                    int bbm) -> int
    {
        /*
            Это соответствует варианту, когда
            начинаем с одной из двух операций.
        */

        bb -= bbm;
        ba -= d;

        if (max(ba, bb) <= 0)
            return 2;

        /*
            Ищем минимальное количество дополнительных
            чередований.

            Можно сделать бинарным поиском, но здесь
            можно и напрямую.

            После t дополнительных операций:

            bb уменьшается на
                d * ceil(t/2)

            ba уменьшается на
                d * floor(t/2)
        */

        int needEven = 0;
        int needOdd = 0;

        if (ba > 0)
            needEven = (ba + d - 1) / d;

        if (bb > 0)
            needOdd = (bb + d - 1) / d;

        /*
            Нужно минимальное t:

            floor(t/2) >= needEven
            ceil(t/2)  >= needOdd
        */

        int t;

        if (needOdd <= needEven)
        {
            // t = 2*needEven
            t = 2 * needEven;
        }
        else
        {
            // ceil(t/2) должно быть needOdd
            // и floor(t/2) >= needEven

            if (needEven >= needOdd - 1)
                t = 2 * needOdd - 1;
            else
                t = 2 * needOdd;
        }

        return 2 + t;
    };


    while (q--)
    {
        int p, s;
        cin >> p >> s;

        // ====================================================
        // Уже полностью отсортирован
        // ====================================================

        if (cnt[n] == n)
        {
            cout << 0 << '\n';
            continue;
        }


        // ====================================================
        // Если одна операция покрывает весь массив
        // ====================================================

        if (p == n || s == n)
        {
            cout << 1 << '\n';
            continue;
        }


        // ====================================================
        // НЕ ПЕРЕСЕКАЮТСЯ
        //
        // prefix = [0,p)
        // middle = [p,n-s)
        // suffix = [n-s,n)
        // ====================================================

        if (p + s <= n)
        {
            /*
                Middle нельзя изменить.

                Поэтому middle должен уже стоять
                полностью правильно.
            */

            if (cnt[n - s] - cnt[p] != n - s - p)
            {
                cout << -1 << '\n';
                continue;
            }

            /*
                Также prefix и suffix нельзя обменивать
                элементами.

                Все значения prefix должны быть <=
                всех значений suffix/middle.
            */

            if (ma[p - 1] > mi[n - s])
            {
                cout << -1 << '\n';
                continue;
            }

            int ans = 2;

            // prefix уже правильный
            if (cnt[p] == p)
                --ans;

            // suffix уже правильный
            if (cnt[n] - cnt[n - s] == s)
                --ans;

            cout << ans << '\n';
            continue;
        }


        // ====================================================
        // ПЕРЕСЕКАЮТСЯ
        // ====================================================

        /*
              A       B       C

            [0,L)  [L,R)   [R,n)

            L = n-s
            R = p

            размер B:
                d = p+s-n
        */

        int L = n - s;
        int R = p;


        // ====================================================
        // Можно ли одной PREFIX SORT
        // ====================================================

        // Всё после prefix уже правильно.
        if (cnt[n] - cnt[R] == n - R)
        {
            cout << 1 << '\n';
            continue;
        }


        // ====================================================
        // Можно ли одной SUFFIX SORT
        // ====================================================

        // Всё до suffix уже правильно.
        if (cnt[L] == L)
        {
            cout << 1 << '\n';
            continue;
        }


        int d = R - L;


        // ====================================================
        // ba
        //
        // Сколько элементов в prefix НЕ должны
        // находиться в prefix после полной сортировки.
        //
        // Так как permutation 1..n:
        //
        // prefix должен содержать 1..p.
        //
        // Поэтому плохие:
        //      a[i] > p
        // ====================================================

        int ba = 0;
        int bam = 0;

        for (int i = 0; i < R; ++i)
        {
            if (a[i] > R)
            {
                ++ba;

                // плохой элемент находится в overlap
                if (i >= L)
                    ++bam;
            }
        }


        // ====================================================
        // bb
        //
        // suffix должен содержать:
        //
        //      L+1 ... n
        //
        // Поэтому плохие элементы suffix:
        //
        //      a[i] <= L
        // ====================================================

        int bb = 0;
        int bbm = 0;

        for (int i = L; i < n; ++i)
        {
            if (a[i] <= L)
            {
                ++bb;

                // находится в overlap
                if (i < R)
                    ++bbm;
            }
        }


        // ====================================================
        // Два варианта:
        //
        // P S P S ...
        //
        // или
        //
        // S P S P ...
        // ====================================================

        int ans1 = calc(
            d,
            ba,
            bb,
            bam,
            bbm
        );

        int ans2 = calc(
            d,
            bb,
            ba,
            bbm,
            bam
        );

        cout << min(ans1, ans2) << '\n';
    }

    return 0;
}

Test details

Test 1

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`6 3 3 1 4 1 5 9 4 1 3 3 2 5` view save

correct output
`1 -1 2` view save

user output
`2 -1 3` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "2"

Test 2

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`2 1 548813503 548813503 1 1` view save

correct output
`0` view save

user output
`2` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "2"

Test 3

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`1 1 417021999 1 1` view save

correct output
`0` view save

user output
`1` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "1"

Test 4

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 20751947 20751947 20751947 494...` view save

correct output
`-1 -1 1 1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "1", got "-1"

Test 5

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 12780811 19475241 19475241 683...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`-1 2 2 -1 -1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "-1"

Test 6

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 14574963 14574963 14574963 864...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "-1"

Test 7

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 237541216 237541216 35036522 6...` view save

correct output
`-1 -1 -1 2 -1 ...` view save

user output
`-1 -1 -1 2 -1 ...` view save

Feedback: Incorrect character on line 6 col 1: expected "2", got "-1"

Test 8

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 319425549 513116712 539199939 ...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 6 col 1: expected "1", got "2"

Test 9

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 54363219 54363219 110986323 11...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`-1 -1 -1 2 -1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "-1"

Test 10

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

input
`10 5 55687086 550701455 326656159 5...` view save

correct output
`-1 -1 -1 -1 -1` view save

user output
`-1 -1 -1 -1 -1` view save

Test 11

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 35889584 588130796 815837475 8...` view save

correct output
`-1 -1 1 1 1 ...` view save

user output
`-1 -1 -1 3 -1 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "1", got "-1"

Test 12

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 679842175 48724877 720966351 6...` view save

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

user output
`3 18 8 1 1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "3"

Test 13

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 893310183 811950921 338863962 ...` view save

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

user output
`3 1 1 3 8 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "3"

Test 14

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 221045363 282395847 441913686 ...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`3 2 1 1 -1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "3"

Test 15

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 509019662 983949268 960017302 ...` view save

correct output
`3 -1 3 3 3 ...` view save

user output
`3 -1 3 3 10 ...` view save

Feedback: Incorrect character on line 5 col 1: expected "3", got "10"

Test 16

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 2277053 2277053 2277053 227705...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 46 col 1: expected "2", got "-1"

Test 17

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 6767 16596 16596 27202 37272 4...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 6 col 1: expected "1", got "-1"

Test 18

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 5393 5910 9099 15755 15755 164...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 11 col 1: expected "2", got "-1"

Test 19

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 3779 4629 8999 10468 22605 227...` view save

correct output
`-1 1 2 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 2 col 1: expected "1", got "-1"

Test 20

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 878 2791 10849 11861 13405 239...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 13 col 1: expected "2", got "-1"

Test 21

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 430 1479 1992 2829 7152 14093 ...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 98 col 1: expected "2", got "-1"

Test 22

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`199997 200000 2733 10526 13882 14035 14689 3...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 20 col 1: expected "1", got "-1"

Test 23

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`200000 200000 12345 13538 15407 18490 18984 ...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "-1"

Test 24

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`-1 1 -1 -1 -1 ...` view save

user output
(empty)

Test 25

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1 -1 1 -1 1 ...` view save

user output
(empty)

Test 26

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 2 2 1 1 2 1 2 1 2 2 2 1 1 1 2 ...` view save

correct output
`4 3 2 2 6 ...` view save

user output
(empty)

Test 27

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`0 0 0 0 0 ...` view save

user output
(empty)

Test 28

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

correct output
`8513 1099 35939 9299 19597 ...` view save

user output
(empty)

Test 29

Subtask: 4, 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

correct output
`178345 169257 62115 96143 64796 ...` view save

user output
(empty)

Test 30

Subtask: 5, 6, 7

Verdict: ACCEPTED

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

correct output
`1 1 -1 1 -1 ...` view save

user output
`1 1 -1 1 -1 ...` view save

Test 31

Subtask: 5, 6, 7

Verdict: ACCEPTED

input
`5000 5000 1 2 3 4 5 6 7 8 9 72 145 47 19...` view save

correct output
`-1 2 -1 2 -1 ...` view save

user output
`-1 2 -1 2 -1 ...` view save

Test 32

Subtask: 5, 6, 7

Verdict: ACCEPTED

input
`4999 5000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`-1 2 -1 -1 -1 ...` view save

user output
`-1 2 -1 -1 -1 ...` view save

Test 33

Subtask: 5, 6, 7

Verdict: ACCEPTED

input
`5000 5000 4033 4368 3086 3208 4313 388 8...` view save

correct output
`3 3 3 3 11 ...` view save

user output
`3 3 3 3 11 ...` view save

Test 34

Subtask: 5, 6, 7

Verdict: ACCEPTED

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

correct output
`0 0 0 0 0 ...` view save

user output
`0 0 0 0 0 ...` view save

Test 35

Subtask: 5, 6, 7

Verdict: ACCEPTED

input
`5000 5000 5000 4999 4998 4997 4996 4995 ...` view save

correct output
`2039 1910 -1 687 673 ...` view save

user output
`2039 1910 -1 687 673 ...` view save

Test 36

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 202010 457852 826471 926337 10...` view save

correct output
`-1 -1 2 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "2", got "-1"

Test 37

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 190583 326486 431922 462939 72...` view save

correct output
`-1 -1 -1 -1 2 ...` view save

user output
`-1 -1 -1 -1 3 ...` view save

Feedback: Incorrect character on line 5 col 1: expected "2", got "3"

Test 38

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 821998255 400550008 71790232 5...` view save

correct output
`5 3 3 2 5 ...` view save

user output
`6 12 3 3 8 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "5", got "6"

Test 39

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 266174928 446601941 191252234 ...` view save

correct output
`3 3 414 4 3 ...` view save

user output
`3 3 906 14 3 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "414", got "906"

Test 40

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 11621 243915 243915 949123 137...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`14 1734 146 -1 3 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "14"

Test 41

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`5000 5000 999767052 998555066 997822810 ...` view save

correct output
`919 459 505 833 809 ...` view save

user output
`1546 2034 516 864 9186 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "919", got "1546"

Test 42

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 478025 478025 478025 478025 47...` view save

correct output
`-1 -1 2 2 2 ...` view save

user output
(empty)

Test 43

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 1810 2088 3022 3097 7459 7943 ...` view save

correct output
`2 -1 -1 2 -1 ...` view save

user output
(empty)

Test 44

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`199531 200000 11328 26391 30353 37063 44412 ...` view save

correct output
`-1 2 -1 2 2 ...` view save

user output
(empty)

Test 45

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 106738201 369187074 412614650 ...` view save

correct output
`2 12 3 19 3 ...` view save

user output
(empty)

Test 46

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 670611290 43427363 8475380 309...` view save

correct output
`3 5 3 3 3 ...` view save

user output
(empty)

Test 47

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 907542569 504758282 948727805 ...` view save

correct output
`3 33 3 3 3 ...` view save

user output
(empty)

Test 48

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 487056731 460461648 142698485 ...` view save

correct output
`3 3 3 3 3 ...` view save

user output
(empty)

Test 49

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 12772 23236 23236 23236 41149 ...` view save

correct output
`0 0 0 0 0 ...` view save

user output
(empty)

Test 50

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 999993539 999993361 999993361 ...` view save

correct output
`125375 16687 -1 84781 46147 ...` view save

user output
(empty)

Test 51

Subtask: 7

Verdict: TIME LIMIT EXCEEDED

input
`200000 200000 999993539 999993361 999993361 ...` view save

correct output
`94788 177608 95881 56377 179957 ...` view save

user output
(empty)

Test 52

Subtask: 1, 2, 3, 5, 6, 7

Verdict: ACCEPTED

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

correct output
`2` view save

user output
`2` view save

Test 53

Subtask: 1, 2, 3, 4, 5, 6, 7

Verdict: ACCEPTED

input
`2 1 1 2 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 54

Subtask: 2, 5, 6, 7

Verdict: ACCEPTED

input
`4 1 2 1 4 3 3 2` view save

correct output
`2` view save

user output
`2` view save

Test 55

Subtask: 1, 2, 3, 4, 6, 7

Verdict: WRONG ANSWER

input
`10 10 1 1 1 1 2 2 1 1 2 2 7 1 2 6 4 5 ...` view save

correct output
`-1 1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 2 col 1: expected "1", got "-1"

Test 56

Subtask: 1, 2, 3, 6, 7

Verdict: WRONG ANSWER

input
`10 10 181777772 181777772 181777772 ...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 10 col 1: expected "1", got "-1"

Test 57

Subtask: 6, 7

Verdict: WRONG ANSWER

input
`100 10 92800811 524548163 939127795 9...` view save

correct output
`-1 -1 3 -1 3 ...` view save

user output
`-1 -1 3 -1 3 ...` view save

Feedback: Incorrect character on line 7 col 1: expected "8", got "14"

Test 58

Subtask: 3, 4, 7

Verdict: WRONG ANSWER

input
`100 100000 2 2 2 1 2 2 2 2 1 2 1 1 1 2 2 ...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 1401 col 1: expected "1", got "2"

Test 59

Subtask: 3, 7

Verdict: WRONG ANSWER

input
`100 100000 172695325 172695325 172695325 ...` view save

correct output
`-1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 417 col 1: expected "1", got "2"

Test 60

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`4 10 869194539 239439572 968540665 ...` view save

correct output
`-1 2 -1 -1 -1 ...` view save

user output
`-1 6 -1 -1 -1 ...` view save

Feedback: Incorrect character on line 2 col 1: expected "2", got "6"

Test 61

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 55366041 112170735 112170735 5...` view save

correct output
`-1 -1 2 1 1 ...` view save

user output
`-1 -1 16 3 1 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "2", got "16"

Test 62

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 156018639 156018639 445832758 ...` view save

correct output
`-1 1 -1 -1 2 ...` view save

user output
`-1 1 -1 -1 6 ...` view save

Feedback: Incorrect character on line 5 col 1: expected "2", got "6"

Test 63

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 702507512 702507512 892090406 ...` view save

correct output
`-1 2 -1 2 2 ...` view save

user output
`-1 3 -1 6 3 ...` view save

Feedback: Incorrect character on line 2 col 1: expected "2", got "3"

Test 64

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`10 10 720324490 720324490 720324490 ...` view save

correct output
`-1 2 2 1 -1 ...` view save

user output
`-1 8 3 1 -1 ...` view save

Feedback: Incorrect character on line 2 col 1: expected "2", got "8"

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