CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	samu_good1
Submission time:	2026-04-17 13:51:07 +0300
Language:	C++ (C++17)
Status:	READY
Result:	0

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

Test results
test	verdict	time	subtask
#1	ACCEPTED	0.00 s	2, 6, 7	details
#2	WRONG ANSWER	0.00 s	1, 2, 3, 6, 7	details
#3	RUNTIME ERROR	0.01 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	ACCEPTED	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	RUNTIME ERROR	0.01 s	2, 6, 7	details
#13	RUNTIME ERROR	0.01 s	2, 6, 7	details
#14	RUNTIME ERROR	0.01 s	2, 6, 7	details
#15	RUNTIME ERROR	0.00 s	2, 6, 7	details
#16	TIME LIMIT EXCEEDED	--	3, 7	details
#17	TIME LIMIT EXCEEDED	--	3, 7	details
#18	TIME LIMIT EXCEEDED	--	3, 7	details
#19	TIME LIMIT EXCEEDED	--	3, 7	details
#20	TIME LIMIT EXCEEDED	--	3, 7	details
#21	TIME LIMIT EXCEEDED	--	3, 7	details
#22	TIME LIMIT EXCEEDED	--	3, 7	details
#23	TIME LIMIT EXCEEDED	--	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	WRONG ANSWER	1.11 s	5, 6, 7	details
#31	RUNTIME ERROR	0.37 s	5, 6, 7	details
#32	RUNTIME ERROR	0.40 s	5, 6, 7	details
#33	TIME LIMIT EXCEEDED	--	5, 6, 7	details
#34	WRONG ANSWER	0.39 s	5, 6, 7	details
#35	TIME LIMIT EXCEEDED	--	5, 6, 7	details
#36	WRONG ANSWER	1.87 s	6, 7	details
#37	RUNTIME ERROR	0.28 s	6, 7	details
#38	TIME LIMIT EXCEEDED	--	6, 7	details
#39	RUNTIME ERROR	0.54 s	6, 7	details
#40	RUNTIME ERROR	0.27 s	6, 7	details
#41	TIME LIMIT EXCEEDED	--	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	WRONG ANSWER	0.00 s	1, 2, 3, 5, 6, 7	details
#53	WRONG ANSWER	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	ACCEPTED	0.00 s	1, 2, 3, 6, 7	details
#57	WRONG ANSWER	0.00 s	6, 7	details
#58	WRONG ANSWER	0.49 s	3, 4, 7	details
#59	WRONG ANSWER	0.66 s	3, 7	details
#60	RUNTIME ERROR	0.01 s	2, 6, 7	details
#61	RUNTIME ERROR	0.01 s	2, 6, 7	details
#62	RUNTIME ERROR	0.00 s	2, 6, 7	details
#63	ACCEPTED	0.00 s	2, 6, 7	details
#64	WRONG ANSWER	0.00 s	2, 6, 7	details

Compiler report

input/code.cpp: In function 'int32_t main()':
input/code.cpp:38:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(int i=0;i<v.size()-1;i++){
      |                     ~^~~~~~~~~~~
input/code.cpp:70:35: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   70 |             for(int i=v.size()-1;i>=v.size()-y;i--){
      |                                  ~^~~~~~~~~~~~
input/code.cpp:80:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |             for(int i=0;i<v.size()-1;i++){
      |                         ~^~~~~~~~~~~
input/code.cpp:81:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'long...

Code

#include <bits/stdc++.h>

using namespace std;

#define int long long

int32_t main (){

    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);

    int n,m,a;

    vector<int>v;

    cin>>n>>m;

    while(n--){
        cin>>a;
        v.push_back(a);
    }

    while(m--){
        int x,y,res=1e15,cont=0;

        bool o=false;

        cin>>x>>y;

        vector<int>s,ss;

        for(int i=0;i<x;i++){
            s.push_back(v[i]);
        }

        sort(s.begin(),s.end());

        for(int i=0;i<v.size()-1;i++){

            if(i<x-1){
                if(s[i]>s[i+1]){
                    o=true;
                    break ;
                }
                continue ;
            }

            if(i==x-1){
                if(s[i]>v[i+1]){
                    o=true;
                    break ;
                }
                continue ;
            }

            if(v[i]>v[i+1]){
                o=true;
                break ;
            }
        }

        if(!o){
            if(res>1){
                res=1;
            }
        }else{

            o=false;

            for(int i=v.size()-1;i>=v.size()-y;i--){
                if(i<x){
                    ss.push_back(s[i]);
                    continue ;
                }
                ss.push_back(v[i]);
            }

            sort(ss.begin(),ss.end());

            for(int i=0;i<v.size()-1;i++){
                if(i-1==v.size()-(y+1)){
                    if(i<x){
                        if(s[i]>ss[cont]){
                            o=true;
                            break ;
                        }
                    }else{
                        if(v[i]>ss[cont]){
                            o=true;
                            break;
                        }
                    }
                    cont++;
                    continue ;
                }

                if(i>=v.size()-y&&i+1>=v.size()-y){
                    if(ss[cont]>ss[cont+1]){
                        o=true;
                        break ;
                    }
                    cont++;
                    continue ;
                }

                if(i<x&&i+1<x){
                    if(s[i]>s[i+1]){
                        o=true;
                        break ;
                    }
                    continue ;
                }

                if(i<x){
                    if(s[i]>v[i+1]){
                        o=true;
                        break ;
                    }
                    continue;
                }

                if(v[i]>v[i+1]){
                    o=true;
                    break ;
                }
            }

            if(!o){
                if(res>2){
                res=2;
            }

            }
        }

        o=false;

        cont=0;

        vector<int>t,tt;

        for(int i=v.size()-1;i>=v.size()-y;i--){
            tt.push_back(v[i]);
        }

        sort(tt.begin(),tt.end());

        for(int i=0;i<v.size()-1;i++){

        if(i-1==v.size()-(y+1)){
                if(v[i]>tt[cont]){
                    o=true;
                    break ;
                }
                cont++;
                continue ;
                }

            if(i>=v.size()-y&&i+1>=v.size()-y){
                if(tt[cont]>tt[cont+1]){
                    o=true;
                    break ;
                }
                cont++;
                continue ;
            }

            if(v[i]>v[i+1]){
                o=true;
                break ;
            }

        }

            if(!o){
                if(res>1){
                res=1;
            }
            }else{
                o=false;

                cont=0;

                for(int i=0;i<v.size();i++){
                    if(i>=v.size()-y){
                        t.push_back(tt[cont]);
                        cont++;
                        continue ;
                    }
                    t.push_back(v[i]);
                }

                cont=0;

                sort(t.begin(),t.end());

                for(int i=0;i<v.size()-1;i++){
                    if(i<x&&i+1<x){
                        if(t[i]>t[i+1]){
                            o=true;
                            break ;
                        }
                        continue ;
                    }

                    if(i==x-1){
                        if(i+1>=v.size()-y){
                            if(t[i]>tt[cont]){
                                o=true;
                                break ;
                            }
                            cont++;
                        }else{
                            if(t[i]>v[i+1]){
                                o=true;
                                break ;
                               }

                        }
                        continue ;
                    }

                    if(i>=v.size()-y&&i+1>=v.size()-y){
                        if(tt[cont]>tt[cont+1]){
                            o=true;
                            break ;
                        }
                        cont++;
                        continue ;
                    }

                    if(i==v.size()-(y+1)){
                        if(i<x){
                            if(t[i]>tt[cont]){
                                o=true;
                                break ;
                            }
                        }else{
                            if(v[i]>tt[cont]){
                                o=true;
                                break ;
                            }
                        }
                        cont++;
                        continue ;
                    }

                    if(v[i]>v[i+1]){
                        o=true;
                        break ;
                    }
                }

                if(!o){
                    if(res>2){
                res=2;
            }
                }
            }
        if(res==1e15){
            cout<<-1<<endl;
            continue ;
        }

        cout<<res<<endl;
    }

    return 0;
}

Test details

Test 1

Subtask: 2, 6, 7

Verdict: ACCEPTED

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 2` view save

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
`1` view save

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

Test 3

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

input
`1 1 417021999 1 1` view save

correct output
`0` view save

user output
(empty)

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 4 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 1 1 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 -1 -1 ...` view save

Feedback: Incorrect character on line 4 col 1: expected "2", got "-1"

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: 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 1 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 1 1 ...` view save

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

Test 12

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

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

Test 13

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

user output
`2` view save

Test 14

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

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

Test 15

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

Test 16

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 17

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 18

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 19

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 20

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 21

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 22

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 23

Subtask: 3, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

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: 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: Incorrect character on line 11 col 1: expected "3", got "-1"

Test 31

Subtask: 5, 6, 7

Verdict: RUNTIME ERROR

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: RUNTIME ERROR

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: TIME LIMIT EXCEEDED

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

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

user output
(empty)

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

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

Test 35

Subtask: 5, 6, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

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: Incorrect character on line 7 col 1: expected "3", got "-1"

Test 37

Subtask: 6, 7

Verdict: RUNTIME ERROR

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 2 ...` view save

Test 38

Subtask: 6, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 39

Subtask: 6, 7

Verdict: RUNTIME ERROR

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

Test 40

Subtask: 6, 7

Verdict: RUNTIME ERROR

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

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

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

Test 41

Subtask: 6, 7

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

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: WRONG ANSWER

input
`5 1 2 1 3 5 4 2 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 53

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

Verdict: WRONG ANSWER

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

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 14 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: RUNTIME ERROR

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

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

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

Test 61

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

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

Test 62

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

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

Test 63

Subtask: 2, 6, 7

Verdict: ACCEPTED

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

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

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

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 2 -1 1 -1 ...` view save

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

BOI 2026 Mirror Day 2

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