CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	Asarbardjarn
Submission time:	2026-04-17 21:36:11 +0300
Language:	C++ (C++23)
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	ACCEPTED	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	ACCEPTED	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	ACCEPTED	0.00 s	2, 6, 7	details
#15	WRONG ANSWER	0.00 s	2, 6, 7	details
#16	ACCEPTED	0.37 s	3, 7	details
#17	ACCEPTED	0.37 s	3, 7	details
#18	ACCEPTED	0.37 s	3, 7	details
#19	ACCEPTED	0.37 s	3, 7	details
#20	ACCEPTED	0.38 s	3, 7	details
#21	ACCEPTED	0.38 s	3, 7	details
#22	ACCEPTED	0.38 s	3, 7	details
#23	ACCEPTED	0.37 s	3, 7	details
#24	WRONG ANSWER	0.38 s	4, 7	details
#25	WRONG ANSWER	0.36 s	4, 7	details
#26	WRONG ANSWER	0.37 s	4, 7	details
#27	ACCEPTED	0.37 s	4, 7	details
#28	WRONG ANSWER	0.31 s	4, 7	details
#29	WRONG ANSWER	0.27 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	ACCEPTED	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	ACCEPTED	0.01 s	6, 7	details
#41	WRONG ANSWER	0.01 s	6, 7	details
#42	WRONG ANSWER	0.38 s	7	details
#43	WRONG ANSWER	0.38 s	7	details
#44	WRONG ANSWER	0.38 s	7	details
#45	WRONG ANSWER	0.37 s	7	details
#46	WRONG ANSWER	0.37 s	7	details
#47	WRONG ANSWER	0.37 s	7	details
#48	WRONG ANSWER	0.37 s	7	details
#49	ACCEPTED	0.37 s	7	details
#50	WRONG ANSWER	0.31 s	7	details
#51	WRONG ANSWER	0.28 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	0.07 s	3, 4, 7	details
#59	ACCEPTED	0.07 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;

struct Node {
	bool s;
	int mn, mx;
	int c1, c2;
} nil = {true, 1<<30, -1<<30, 0, 0};

int dv(int a, int b) {
	return a / b + (a % b ? 1 : 0);
}

struct SegTree {
	int n;
	vector<Node> v;
	SegTree (vector<int> w) : n(w.size()) {
		v.resize(4 * n, nil);
		build(0, 0, n, w);
	}
	void build(int i, int l, int r, const vector<int>& w) {
		if (l == r - 1) {
			v[i] = {true, w[l], w[l], w[l] == 1, w[l] == 2};
			return;
		}
		int m = (l + r) / 2;
		build(i * 2 + 1, l, m, w);
		build(i * 2 + 2, m, r, w);
		v[i] = merge(v[i * 2 + 1], v[i * 2 + 2]);
	}
	Node merge(Node L, Node R) {
		Node res;
		res.mn = min(L.mn, R.mn);
		res.mx = max(L.mx, R.mx);
		res.s = L.s && R.s && (L.mx <= R.mn);
		res.c1 = L.c1 + R.c1;
		res.c2 = L.c2 + R.c2;
		return res;
	}
	Node que(int i, int l, int r, int a, int b) {
		if (b <= l || r <= a) return nil;
		if (a <= l && r <= b) return v[i];
		int m = (l + r) / 2;
		return merge(que(i * 2 + 1, l, m, a, b), que(i * 2 + 2, m, r, a, b));
	}
	Node que(int l, int r) { return que(0, 0, n, l, r); }
};

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, q; cin >> n >> q;
	vector<int> v(n); for (int& x : v) cin >> x;
	SegTree st(v);
	while (q--) {
		int a, b; cin >> a >> b;
		if (a + b <= n) {
			Node l = st.que(0, a), m = st.que(a, n - b), r = st.que(n - b, n);
			if (m.s && l.mx <= m.mn && m.mx <= r.mn && l.mx <= r.mn) cout << !l.s + !r.s << '\n';
			else cout << -1 << '\n';
			continue;
		}
		Node l = st.que(0, n - b), m = st.que(n - b, a), r = st.que(a, n);
		if (l.s && m.s && r.s) {
			cout << 0 << '\n';
			continue;
		}
		if (l.s && l.mx <= m.mn && l.mx <= r.mn) {
			cout << 1 << '\n';
			continue;
		}
		if (r.s && l.mx <= r.mn && m.mx <= r.mn) {
			cout << 1 << '\n';
			continue;
		}
		int ans = 3 * n;
		int o = a - (n - b);
		for (int s = 0; s < 2; s++) {
			int C[3];
			C[0] = l.c2;
			C[1] = m.c2;
			C[2] = r.c2;
			if (s) {
				int x = C[0] + C[1];
				C[1] = min(o, x);
				C[0] = x - C[1];
				ans = min(ans, 1 + 2 * min(dv(C[0], o), dv(n - a - C[2], o)));
			}
			{
				int x = C[1] + C[2];
				C[2] = min(n - a, x);
				C[1] = x - C[2];
				ans = min(ans, s + 1 + 2 * min(dv(C[0], o), dv(n - a - C[2], o)));
			}
			if (!s) {
				int x = C[0] + C[1];
				C[1] = min(o, x);
				C[0] = x - C[1];
				ans = min(ans, 2 + 2 * min(dv(C[0], o), dv(n - a - C[2], o)));
			}
		}
		if (ans >= 3 * n) cout << -1 << '\n';
		else cout << ans << '\n';
	}
}

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: 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: ACCEPTED

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

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: ACCEPTED

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

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

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

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: 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: Incorrect character on line 9 col 1: expected "5", got "4"

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: Incorrect character on line 379 col 1: expected "2", got "1"

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 5 ...` view save

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

Test 27

Subtask: 4, 7

Verdict: ACCEPTED

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 0 0 0 ...` view save

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
`8512 1098 35938 9298 19596 ...` view save

Feedback: Incorrect character on line 1 col 4: expected "8513", got "8512"

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
`178344 169256 62114 96142 64795 ...` view save

Feedback: Incorrect character on line 1 col 6: expected "178345", got "178344"

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

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: 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 7 col 1: expected "3", 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 1 ...` view save

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

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: ACCEPTED

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

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

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

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

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

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

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

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

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

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

Test 49

Subtask: 7

Verdict: ACCEPTED

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

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

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

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: Incorrect character on line 1 col 2: expected "125375", got "1"

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: Incorrect character on line 1 col 1: expected "94788", got "1"

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

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: 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 5 col 1: expected "2", 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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