CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	Mauricio_Cruz
Submission time:	2026-04-17 13:15:36 +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	RUNTIME ERROR	0
#5	WRONG ANSWER	0
#6	WRONG ANSWER	0
#7	WRONG ANSWER	0

Test results
test	verdict	time	subtask
#1	WRONG ANSWER	0.01 s	2, 6, 7	details
#2	ACCEPTED	0.01 s	1, 2, 3, 6, 7	details
#3	ACCEPTED	0.01 s	2, 6, 7	details
#4	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#5	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#6	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#7	ACCEPTED	0.01 s	1, 2, 3, 6, 7	details
#8	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#9	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#10	ACCEPTED	0.01 s	1, 2, 3, 6, 7	details
#11	WRONG ANSWER	0.01 s	2, 6, 7	details
#12	WRONG ANSWER	0.01 s	2, 6, 7	details
#13	WRONG ANSWER	0.01 s	2, 6, 7	details
#14	WRONG ANSWER	0.01 s	2, 6, 7	details
#15	WRONG ANSWER	0.01 s	2, 6, 7	details
#16	RUNTIME ERROR	0.03 s	3, 7	details
#17	RUNTIME ERROR	0.03 s	3, 7	details
#18	RUNTIME ERROR	0.03 s	3, 7	details
#19	RUNTIME ERROR	0.03 s	3, 7	details
#20	RUNTIME ERROR	0.03 s	3, 7	details
#21	RUNTIME ERROR	0.03 s	3, 7	details
#22	RUNTIME ERROR	0.03 s	3, 7	details
#23	RUNTIME ERROR	0.03 s	3, 7	details
#24	RUNTIME ERROR	0.02 s	4, 7	details
#25	RUNTIME ERROR	0.02 s	4, 7	details
#26	RUNTIME ERROR	0.02 s	4, 7	details
#27	RUNTIME ERROR	0.02 s	4, 7	details
#28	RUNTIME ERROR	0.02 s	4, 7	details
#29	RUNTIME ERROR	0.02 s	4, 7	details
#30	WRONG ANSWER	0.01 s	5, 6, 7	details
#31	WRONG ANSWER	0.01 s	5, 6, 7	details
#32	WRONG ANSWER	0.01 s	5, 6, 7	details
#33	WRONG ANSWER	0.01 s	5, 6, 7	details
#34	WRONG ANSWER	0.01 s	5, 6, 7	details
#35	WRONG ANSWER	0.01 s	5, 6, 7	details
#36	WRONG ANSWER	0.01 s	6, 7	details
#37	WRONG ANSWER	0.01 s	6, 7	details
#38	WRONG ANSWER	0.01 s	6, 7	details
#39	WRONG ANSWER	0.01 s	6, 7	details
#40	WRONG ANSWER	0.01 s	6, 7	details
#41	WRONG ANSWER	0.01 s	6, 7	details
#42	RUNTIME ERROR	0.03 s	7	details
#43	RUNTIME ERROR	0.03 s	7	details
#44	RUNTIME ERROR	0.03 s	7	details
#45	RUNTIME ERROR	0.03 s	7	details
#46	RUNTIME ERROR	0.03 s	7	details
#47	RUNTIME ERROR	0.03 s	7	details
#48	RUNTIME ERROR	0.03 s	7	details
#49	RUNTIME ERROR	0.03 s	7	details
#50	RUNTIME ERROR	0.03 s	7	details
#51	RUNTIME ERROR	0.03 s	7	details
#52	WRONG ANSWER	0.01 s	1, 2, 3, 5, 6, 7	details
#53	ACCEPTED	0.01 s	1, 2, 3, 4, 5, 6, 7	details
#54	WRONG ANSWER	0.01 s	2, 5, 6, 7	details
#55	WRONG ANSWER	0.01 s	1, 2, 3, 4, 6, 7	details
#56	WRONG ANSWER	0.01 s	1, 2, 3, 6, 7	details
#57	WRONG ANSWER	0.01 s	6, 7	details
#58	WRONG ANSWER	0.04 s	3, 4, 7	details
#59	WRONG ANSWER	0.04 s	3, 7	details
#60	WRONG ANSWER	0.01 s	2, 6, 7	details
#61	WRONG ANSWER	0.01 s	2, 6, 7	details
#62	WRONG ANSWER	0.01 s	2, 6, 7	details
#63	WRONG ANSWER	0.01 s	2, 6, 7	details
#64	WRONG ANSWER	0.01 s	2, 6, 7	details

Code

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

#define rz(a,n)a.resize(n); 
#define mset multiset
#define mii map<int,int>
#define str string
#define dbl double
#define i128 __int128
#define to_string tos

#define all(x) x.begin(), x.end()

#define srtl(x)sort(all(x))
#define srtg(x)sort((x).begin(),(x).end(),greater<>())
#define rev(x) reverse(all(x))
#define lb(x,y) lower_bound(x.begin(),x.end(),y)-x.begin()
#define ub(x,y) upper_bound(x.begin(),x.end(),y)-x.begin()

#define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

#define f first
#define s second
#define pb push_back
#define ins insert
#define next next_permutation(all())
#define _b __builtin_popcount

#define ve vector
#define pii pair<int,int>
#define piii pair<int,pii>
#define vi vector<int>
#define vii vector<pii>
#define viii vector<piii>
#define vvi vector<vi>
#define vst vector<string>
#define vb vector<bool>

#define pV(x)for(auto i:x)cout<<i<<" ";

#define geta(a){for(auto &i:a)cin>>i;}
#define getaa(a){for(int i=1;i<a.size();i++)cin>>a[i];}

#define fri(n)for(int i=0;i<n;i++)
#define frj(j,m)for(int j=0;j<n;j++)
#define ff(v,x,y)for(int v=x;v<y;v++)
#define Fr(n)for(int i=n-1;i>=0;i--)

#define suma(a)accumulate(a.begin(),a.end(),0LL)

#define br(x){cout<<x<<"\n";return;}
#define yesn cout<<"YES\n";

#define yes()br("YES");
#define no(){br("NO")}

#define alice() br("Alice");
#define bob() br("Bob");

#define cn continue;

#define cint const int
#define int long long


int mod=1000000007;
cint mod1=100000007;
cint mod2=998244353;

int ax[8]={0,1,0,-1,-1,1,1,-1};
int ay[8]={1,0,-1,0,1,-1,1,-1};

//bool on(int x,int y){return (x>=0&&x<n&&y>=0&&y<m);}
//int euc(int a,int b,int c,int d){return abs(a-c)+abs(b-d);}

int bp(int x,int y){
	if(y==0)return 1;
	int r=bp(x,y/2);
	return (y&1)?r*r%mod*x%mod:r*r%mod;
}
int bpm(int x,int y){
	if(y==0)return 1;
	int r=bpm(x,y/2);
	return (y&1)?r*r*x:r*r;
}

int cinn(){
	int n;
	cin>>n;
	return n;
}
#define w cinn()
cint N=200005;
vi tr(N);
vi tr2(N);
int n;
void up(int p,int v){
	p+=n;
	tr[p]=v;
	while(p>0){
		p/=2;
		tr[p]=min(tr[2*p+1],tr[2*p]);
	}
}
int mi(int l,int r){
	l+=n,r+=n+1;int x=1e18;
	while(l<r){
		if(l&1)x=min(x,tr[l++]);
		if(r&1)x=min(x,tr[--r]);
		l/=2;r/=2;
	}
	return x;
}


void up2(int p,int v){
	p+=n;
	tr2[p]=v;
	while(p>0){
		p/=2;
		tr[p]=max(tr2[2*p+1],tr2[2*p]);
	}
}
int ma(int l,int r){
	l+=n,r+=n+1;int x=0;
	while(l<r){
		if(l&1)x=max(x,tr2[l++]);
		if(r&1)x=max(x,tr2[--r]);
		l/=2;r/=2;
	}
	return x;
}
void solve(){
	
	int q;
	cin>>n>>q;//n++;
	
	vi a(n);
	for(int i=0;i<n;i++)cin>>a[i];
	
	/*for(int i=0;i<n;i++){
		up(i,a[i]);
	}
	for(int i=0;i<n;i++){
		up2(i,a[i]);
	}*/
	
	for(int i=0;i<n;i++){
		tr[n+i]=a[i];
		tr2[n+i]=a[i];
	}
	for(int i=n-1;i>=0;i--){
		tr[i]=min(tr[2*i],tr[2*i+1]);
		tr2[i]=max(tr2[2*i],tr2[2*i+1]);
	}
	
	vi mx(n+1,0);
	int c=0;
	for(int i=2;i<n;i++){
		if(a[i]<a[i-1])c++;
		mx[i]=c;
	}
	
	while(q--){
		int x,y;
		cin>>x>>y;
		int ans=0;
		
		int l1=0,r1=x-1;
		int l3=n-y,r3=n-1;
		int l2=r1+1,r2=l3-1;
		
		if(l2>r2||(ma(l1,r1)<mi(l2,r2)&&ma(l2,r2)<mi(l3,r3))){
			if(mx[l1]!=mx[r1])ans++;
			if(l2<=r2&&mx[l2]!=mx[r2])ans++;
			if(mx[l3]!=mx[r3])ans++;
		}
		else if(l2<=r2)ans=-1;
		if(l2>r2&&ma(l1,r1)>mi(l3,r3))ans=-1;
		cout<<ans<<"\n";
	}
	
}

int32_t main(){
	
	ios;

	int t=1;
	//cin>>t;
	
	while(t--){
		solve();
	}
	
	return 0;
}

/*
6 2
1 3 2 4 6 5
2 4
2 2
*/

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` view save

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

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: ACCEPTED

input
`1 1 417021999 1 1` view save

correct output
`0` view save

user output
`0` view save

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

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

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 0 0 ...` 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 2 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
`-1 -1 -1 -1 -1 ...` view save

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

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

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

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

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

Test 16

Subtask: 3, 7

Verdict: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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 2 -1 -1 ...` view save

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

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

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
`3 -1 -1 -1 -1 ...` view save

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

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

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 0 ...` view save

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

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: Incorrect character on line 1 col 1: expected "2039", got "-1"

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 5 col 1: expected "-1", 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 3 -1 ...` view save

Feedback: Incorrect character on line 4 col 1: expected "-1", 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
`-1 -1 -1 -1 -1 ...` view save

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

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

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

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

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

Test 42

Subtask: 7

Verdict: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: RUNTIME ERROR

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: 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: 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 -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 2375 col 1: expected "1", got "-1"

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 8855 col 1: expected "1", got "-1"

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

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

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

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

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

BOI 2026 Mirror Day 2

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Submissions (Mauricio_Cruz)