CSES - BOI 2026 Mirror Day 2

Submission details
Task:	Sort
Sender:	Dozenal
Submission time:	2026-04-17 14:49:51 +0300
Language:	Python3 (PyPy3)
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	0.05 s	2, 6, 7	details
#2	ACCEPTED	0.04 s	1, 2, 3, 6, 7	details
#3	ACCEPTED	0.04 s	2, 6, 7	details
#4	WRONG ANSWER	0.04 s	1, 2, 3, 6, 7	details
#5	ACCEPTED	0.04 s	1, 2, 3, 6, 7	details
#6	ACCEPTED	0.05 s	1, 2, 3, 6, 7	details
#7	WRONG ANSWER	0.04 s	1, 2, 3, 6, 7	details
#8	ACCEPTED	0.04 s	1, 2, 3, 6, 7	details
#9	ACCEPTED	0.05 s	1, 2, 3, 6, 7	details
#10	ACCEPTED	0.04 s	1, 2, 3, 6, 7	details
#11	WRONG ANSWER	0.04 s	2, 6, 7	details
#12	RUNTIME ERROR	0.06 s	2, 6, 7	details
#13	RUNTIME ERROR	0.06 s	2, 6, 7	details
#14	ACCEPTED	0.04 s	2, 6, 7	details
#15	WRONG ANSWER	0.04 s	2, 6, 7	details
#16	WRONG ANSWER	0.66 s	3, 7	details
#17	WRONG ANSWER	0.69 s	3, 7	details
#18	WRONG ANSWER	0.70 s	3, 7	details
#19	WRONG ANSWER	0.69 s	3, 7	details
#20	WRONG ANSWER	0.70 s	3, 7	details
#21	ACCEPTED	0.68 s	3, 7	details
#22	ACCEPTED	0.68 s	3, 7	details
#23	ACCEPTED	0.56 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	ACCEPTED	0.56 s	4, 7	details
#28	TIME LIMIT EXCEEDED	--	4, 7	details
#29	TIME LIMIT EXCEEDED	--	4, 7	details
#30	WRONG ANSWER	0.45 s	5, 6, 7	details
#31	RUNTIME ERROR	1.34 s	5, 6, 7	details
#32	RUNTIME ERROR	0.59 s	5, 6, 7	details
#33	RUNTIME ERROR	1.13 s	5, 6, 7	details
#34	ACCEPTED	0.10 s	5, 6, 7	details
#35	RUNTIME ERROR	1.39 s	5, 6, 7	details
#36	RUNTIME ERROR	0.47 s	6, 7	details
#37	WRONG ANSWER	1.77 s	6, 7	details
#38	RUNTIME ERROR	0.74 s	6, 7	details
#39	RUNTIME ERROR	0.77 s	6, 7	details
#40	ACCEPTED	0.12 s	6, 7	details
#41	RUNTIME ERROR	0.26 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	ACCEPTED	0.59 s	7	details
#50	TIME LIMIT EXCEEDED	--	7	details
#51	TIME LIMIT EXCEEDED	--	7	details
#52	ACCEPTED	0.05 s	1, 2, 3, 5, 6, 7	details
#53	ACCEPTED	0.04 s	1, 2, 3, 4, 5, 6, 7	details
#54	ACCEPTED	0.04 s	2, 5, 6, 7	details
#55	WRONG ANSWER	0.05 s	1, 2, 3, 4, 6, 7	details
#56	WRONG ANSWER	0.05 s	1, 2, 3, 6, 7	details
#57	WRONG ANSWER	0.05 s	6, 7	details
#58	WRONG ANSWER	0.30 s	3, 4, 7	details
#59	WRONG ANSWER	0.30 s	3, 7	details
#60	WRONG ANSWER	0.04 s	2, 6, 7	details
#61	WRONG ANSWER	0.04 s	2, 6, 7	details
#62	RUNTIME ERROR	0.06 s	2, 6, 7	details
#63	WRONG ANSWER	0.04 s	2, 6, 7	details
#64	RUNTIME ERROR	0.07 s	2, 6, 7	details

Code

import math
from collections import defaultdict

n, q = map(int, input().split())
X = list(map(int, input().split()))
Sort = sorted(X)

Lmax = [X[0]] * n
Rmin = [X[n - 1]] * n

Lsort = [True] * n
Lsort[0] = (X[0] == Sort[0])

Rsort = [True] * n
Rsort[n - 1] = (X[n - 1] == Sort[n - 1])

Inc = [1] * n
for i in range(1, n):
    Lmax[i] = max(Lmax[i - 1], X[i])
    Rmin[n - i - 1] = min(Rmin[n - i], X[n - i - 1])
    Lsort[i] = Lsort[i - 1] and (X[i] == Sort[i])
    Rsort[n - i - 1] = Rsort[n - i] and (X[n - i - 1] == Sort[n - i - 1])

    if X[i] >= X[i - 1]:
        Inc[i] = Inc[i - 1] + 1
    else: Inc[i] = 1

#print(Sort)
#print(Lmax)
#print(Rmin)
#print(Inc)
#print(Lsort)
#print(Rsort)

def solve(a, b):
    # Have assumed a + b > n and that ans >= 2
    W = a + b - n
    #print(X)
    Seen = defaultdict(int)

    xa = 0
    xb = 0
    # This can be precomputed
    for i in range(a):
        Seen[X[i]] += 1

        if X[i] > Sort[a - 1 - Seen[X[i]]]:
            xa += 1

    #print(Seen)
    Seen.clear()
    #print(Seen)

    for i in range(b):
        Seen[X[n - i - 1]] += 1
        if X[n - i - 1] < Sort[n - b - 1 + Seen[X[n - i - 1]]]:
            xb += 1
    
    #print(Seen)
    
    #print(xa, xb)

    ans = 2 * math.ceil(max(xa, xb) / W) - 1

    if ans == 1: ans += 1

    return ans


for i in range(q):
    a, b = map(int, input().split())
    ans = 0

    # Ans is 0
    if Inc[n - 1] == n:
        ans = 0

    # Ans is 1
    elif Rsort[a] or Lsort[n - b - 1]:
        ans = 1

    # a + b <= n
    elif a + b <= n:
        if Lmax[a] > Sort[a] or Rmin[n - b] < Sort[n - b] or Inc[n - b - 1] < n - a - b:
            ans = -1
        else:
            if Inc[a - 1] < a: ans += 1
            if Inc[n - 1] < b: ans += 1

    else: 
        ans = solve(a, b)

    print(ans)

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

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: WRONG ANSWER

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

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

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

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

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: Incorrect character on line 6 col 1: expected "-1", got "0"

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
`2 3 2 2 2 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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 2` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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

Feedback: Incorrect character on line 4 col 1: expected "3", got "2"

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 7407 col 1: expected "-1", got "2"

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 175625 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 15332 col 1: expected "-1", got "2"

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 2 -1 -1 ...` view save

Feedback: Incorrect character on line 197956 col 1: expected "-1", got "2"

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 172656 col 1: expected "-1", got "2"

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: 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: 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: 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 109 col 1: expected "3", got "2"

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

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

Test 33

Subtask: 5, 6, 7

Verdict: RUNTIME ERROR

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

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

user output
`3 2 2 2 9 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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: RUNTIME ERROR

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

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

user output
`2039 1909 -1 687 673 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

Test 36

Subtask: 6, 7

Verdict: RUNTIME ERROR

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

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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 2 ...` view save

Feedback: Incorrect character on line 22 col 1: expected "3", got "2"

Test 38

Subtask: 6, 7

Verdict: RUNTIME ERROR

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

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

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

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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
`2 2 413 3 2 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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: RUNTIME ERROR

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

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

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

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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: 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: 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 0 1 ...` view save

Feedback: Incorrect character on line 1 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 3 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 2 -1 2 ...` view save

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

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 3316 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 31 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 2 -1 1 1 ...` view save

Feedback: Incorrect character on line 4 col 1: expected "-1", 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 3 1 2 ...` view save

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

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` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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

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

Test 64

Subtask: 2, 6, 7

Verdict: RUNTIME ERROR

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

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

user output
`-1 2 2` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 79, in <module>
    elif Rsort[a] or Lsort[n - b - 1]:
IndexError: list index out of range

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