CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	RJuknevicius
Submission time:	2026-04-17 14:38:12 +0300
Language:	C++ (C++20)
Status:	READY
Result:	13

Feedback
subtask	verdict	score
#1	ACCEPTED	6
#2	WRONG ANSWER	0
#3	ACCEPTED	7
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0
#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	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#3	WRONG ANSWER	0.00 s	2, 6, 7	details
#4	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#5	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#6	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#7	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#8	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#9	ACCEPTED	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	ACCEPTED	0.65 s	3, 7	details
#17	ACCEPTED	0.67 s	3, 7	details
#18	ACCEPTED	0.65 s	3, 7	details
#19	ACCEPTED	0.66 s	3, 7	details
#20	ACCEPTED	0.65 s	3, 7	details
#21	ACCEPTED	0.64 s	3, 7	details
#22	ACCEPTED	0.65 s	3, 7	details
#23	ACCEPTED	0.73 s	3, 7	details
#24	WRONG ANSWER	0.66 s	4, 7	details
#25	WRONG ANSWER	0.78 s	4, 7	details
#26	WRONG ANSWER	0.51 s	4, 7	details
#27	WRONG ANSWER	1.11 s	4, 7	details
#28	WRONG ANSWER	0.51 s	4, 7	details
#29	WRONG ANSWER	0.51 s	4, 7	details
#30	WRONG ANSWER	0.02 s	5, 6, 7	details
#31	WRONG ANSWER	0.02 s	5, 6, 7	details
#32	WRONG ANSWER	0.02 s	5, 6, 7	details
#33	WRONG ANSWER	0.03 s	5, 6, 7	details
#34	WRONG ANSWER	0.03 s	5, 6, 7	details
#35	WRONG ANSWER	0.02 s	5, 6, 7	details
#36	WRONG ANSWER	0.02 s	6, 7	details
#37	WRONG ANSWER	0.03 s	6, 7	details
#38	WRONG ANSWER	0.03 s	6, 7	details
#39	WRONG ANSWER	0.03 s	6, 7	details
#40	WRONG ANSWER	0.03 s	6, 7	details
#41	WRONG ANSWER	0.02 s	6, 7	details
#42	WRONG ANSWER	0.77 s	7	details
#43	WRONG ANSWER	0.76 s	7	details
#44	WRONG ANSWER	0.76 s	7	details
#45	WRONG ANSWER	0.86 s	7	details
#46	WRONG ANSWER	0.87 s	7	details
#47	WRONG ANSWER	0.87 s	7	details
#48	WRONG ANSWER	0.90 s	7	details
#49	WRONG ANSWER	1.06 s	7	details
#50	WRONG ANSWER	0.85 s	7	details
#51	WRONG ANSWER	0.85 s	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	WRONG ANSWER	0.00 s	2, 5, 6, 7	details
#55	ACCEPTED	0.00 s	1, 2, 3, 4, 6, 7	details
#56	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#57	WRONG ANSWER	0.00 s	6, 7	details
#58	ACCEPTED	0.21 s	3, 4, 7	details
#59	ACCEPTED	0.21 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

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:98:18: warning: unused variable 'la' [-Wunused-variable]
   98 |              int la=twocount[n-b-1], lala=twocount[n-1]-twocount[a-1];
      |                  ^~
input/code.cpp:98:38: warning: unused variable 'lala' [-Wunused-variable]
   98 |              int la=twocount[n-b-1], lala=twocount[n-1]-twocount[a-1];
      |                                      ^~~~

Code

#include <bits/stdc++.h>
using namespace std;
int lmin[200000], rmin[200000], lmax[200000], rmax[200000], x[200000], xs[200000], tw[800001], wrong[200000], twocount[200000];

void wrongbuild(int v, int tl, int tr)
{
    if(tl>tr) return;
    if(tl==tr) {tw[v]=wrong[tl];return;}

    int tm=(tl+tr)/2;
    wrongbuild(2*v, tl, tm);
    wrongbuild(2*v+1, tm+1, tr);
    tw[v]=tw[2*v]+tw[2*v+1];

}

int wrongquery(int v, int tl, int tr, int l, int r)
{
    if(tl>tr || tl>r || tr<l) return 0;
    if(tl>=l && tr<=r) return tw[v];

    int tm=(tl+tr)/2;

    return wrongquery(2*v, tl, tm, l, r) + wrongquery(2*v+1, tm+1, tr, l,r);
}



int main()
{
    int n, q;
    cin>>n>>q;

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

        if(i==0) {lmin[i]=x[i];lmax[i]=x[i];}
        else {
            if(x[i-1]>x[i]) wrong[i]=1;
            lmin[i]=min(lmin[i-1], x[i]);
            lmax[i]=max(lmax[i-1], x[i]);
            twocount[i]=twocount[i-1];
        }
        if(x[i]==2) twocount[i]++;
    }
    sort(xs, xs+n);
    rmax[n-1]=x[n-1];
    rmin[n-1]=x[n-1];
    for(int i = n-2; i >=0; i--)
    {

        rmin[i]=min(rmin[i+1], x[i]);
        rmax[i]=max(rmax[i+1], x[i]);

    }

    wrongbuild(1, 0, n-1);

    for(int uzklausa = 0; uzklausa < q;uzklausa++)
    {
        int a,b;cin>>a>>b;
        if(a+b<n)
        {
            if(wrongquery(1, 0, n-1, a, n-b-1)!=0) cout  <<-1 << endl;
            else
            {
                if(x[a]<lmax[a-1] || x[n-b-1] > rmin[n-b]) cout  <<-1 << endl;
                else  cout << (!(wrongquery(1, 0, n-1, 0, a-1)==0)) + (!(wrongquery(1, 0, n-1, n-b, n-1)==0)) << endl;
            }
        }
        if(a+b==n)
        {
            if(lmax[a-1]<=rmin[a])
            {
                cout << (!(wrongquery(1, 0, n-1, 0, a-1)==0)) + (!(wrongquery(1, 0, n-1, a, n-1)==0)) << endl;
            }
            else cout << -1 << endl;
        }
        if(a+b>n)
        {
            int z= !(wrongquery(1, 0 , n-1, 0, n-1)==0);
            if(z==0) cout << 0 << endl;
             if(a==n || b==n) {cout << min(1, z) << endl;continue;}
             /*int A=0;
             for(int i = 0; i <n-b;i++)
             {
                 if(x[i] > rmin[a]) A++;
             }
             int B=0;
             for(int i = a; i <n;i++)
             {
                 if(x[i]<lmax[n-b-1]) B++;
             }*/
             if(twocount[n-b-1]==0) cout << 1 << endl;
             if(twocount[n-1]-twocount[a-1]==n-a) cout << 1 << endl;
             int la=twocount[n-b-1], lala=twocount[n-1]-twocount[a-1];

             if(twocount[a-1]/(a+b-n)==twocount[n-b-1]/(a+b-n))
             {
                 cout << 2*((twocount[a-1]+a+b-n-1)/(a+b-n))-1 << endl;
            }
             else
            {
                 cout << 2*((twocount[a-1])/(a+b-n)) + (twocount[n-1]<n-a ? 1 : 0) << endl;
             }

             /*int dal=a+b-n;
             cout << max(2*max(A/dal+(A%dal!=0), B/dal+(B%dal!=0)-1 + (A/dal==B/dal ? 1 : 0) - (A!=B && min(A%dal, B%dal)==0 ? 1 : 0)), max((!wrongquery(1, 0, n-1, 0, n-b-1)==0) + (!wrongquery(1, 0, n-1, a, n-1)==0), z)) << endl;*/
             //cout << (!wrongquery(1, 0, n-1, 0, a-1)==0) + (!wrongquery(1, 0, n-1, n-b, n-1)==0) << endl;
        }
    }
}

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
`1 -1 1 -1` view save

Feedback: Output is longer than expected

Test 2

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

input
`2 1 548813503 548813503 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 3

Subtask: 2, 6, 7

Verdict: WRONG ANSWER

input
`1 1 417021999 1 1` view save

correct output
`0` view save

user output
`0 0` view save

Feedback: Output is longer than expected

Test 4

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

Test 5

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

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

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

Test 6

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

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

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

Test 7

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

Test 8

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

Test 9

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

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

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

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 1 -1 ...` view save

Feedback: Output is longer than expected

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
`1 -1 1 -1 1 ...` view save

Feedback: Output is longer than expected

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
`1 -1 1 1 1 ...` view save

Feedback: Output is longer than expected

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
`0 1 -1 0 0 ...` view save

Feedback: Output is longer than expected

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
`1 -1 -1 1 -1 ...` view save

Feedback: Output is longer than expected

Test 16

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 17

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 18

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 19

Subtask: 3, 7

Verdict: ACCEPTED

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

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

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

Test 20

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 21

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 22

Subtask: 3, 7

Verdict: ACCEPTED

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

Test 23

Subtask: 3, 7

Verdict: ACCEPTED

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

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

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

Test 24

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`-1 1 1 -1 -1 ...` view save

Feedback: Output is longer than expected

Test 25

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`1 1 1 -1 1 ...` view save

Feedback: Output is longer than expected

Test 26

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`3 2 1 1 7 ...` view save

Feedback: Incorrect character on line 1 col 1: expected "4", got "3"

Test 27

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`0 0 1 -1 0 ...` view save

Feedback: Output is longer than expected

Test 28

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`8513 1101 35941 66289 19597 ...` view save

Feedback: Incorrect character on line 2 col 2: expected "1099", got "1101"

Test 29

Subtask: 4, 7

Verdict: WRONG ANSWER

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
`178347 196567 62117 97989 64891 ...` view save

Feedback: Incorrect character on line 1 col 6: expected "178345", got "178347"

Test 30

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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

Feedback: Output is longer than expected

Test 31

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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 1 -1 1 -1 ...` view save

Feedback: Output is longer than expected

Test 32

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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 1 -1 -1 -1 ...` view save

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

Test 33

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 34

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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 1 0 1 0 ...` view save

Feedback: Output is longer than expected

Test 35

Subtask: 5, 6, 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

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 2 -1 -1 ...` view save

Feedback: Output is longer than expected

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 1 ...` view save

Feedback: Output is longer than expected

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
`1 -1 1 -1 1 ...` view save

Feedback: Output is longer than expected

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
`1 -1 1 -1 1 ...` view save

Feedback: Output is longer than expected

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
`0 1 -1 0 1 ...` view save

Feedback: Output is longer than expected

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
`1 -1 1 -1 1 ...` view save

Feedback: Output is longer than expected

Test 42

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 43

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 44

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 45

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 46

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 47

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 48

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 49

Subtask: 7

Verdict: WRONG ANSWER

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

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

user output
`0 1 -1 0 1 ...` view save

Feedback: Output is longer than expected

Test 50

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

Test 51

Subtask: 7

Verdict: WRONG ANSWER

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

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

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

Feedback: Output is longer than expected

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: WRONG ANSWER

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

correct output
`2` view save

user output
`1` view save

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

Test 55

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

Verdict: ACCEPTED

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

Test 56

Subtask: 1, 2, 3, 6, 7

Verdict: ACCEPTED

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

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 1 -1 -1 ...` view save

Feedback: Output is longer than expected

Test 58

Subtask: 3, 4, 7

Verdict: ACCEPTED

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

Test 59

Subtask: 3, 7

Verdict: ACCEPTED

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

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 1 -1 -1 -1 ...` view save

Feedback: Output is longer than expected

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 1 -1 1 ...` view save

Feedback: Output is longer than expected

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 1 ...` view save

Feedback: Output is longer than expected

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 1 -1 -1 1 ...` view save

Feedback: Output is longer than expected

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 1 -1 1 -1 ...` view save

Feedback: Output is longer than expected

BOI 2026 Mirror Day 2

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Test 64

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Submissions (RJuknevicius)