CSES - Datatähti 2024 alku - Results
Submission details
Task:Käännöt
Sender:d-m-g
Submission time:2023-11-12 22:15:13 +0200
Language:CPython3
Status:READY
Result:32
Feedback
groupverdictscore
#1ACCEPTED13
#2ACCEPTED19
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
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#5ACCEPTED0.02 s1details
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#10ACCEPTED0.02 s2details
#11ACCEPTED0.04 s2details
#12ACCEPTED0.04 s2details
#13ACCEPTED0.04 s2details
#14ACCEPTED0.04 s2details
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#16ACCEPTED0.06 s2details
#170.02 s3details
#180.02 s3details
#190.03 s3details
#200.03 s3details
#210.04 s3details
#220.03 s3details
#230.04 s3details
#24ACCEPTED0.04 s3details
#250.05 s3details
#260.02 s4details
#270.02 s4details
#280.02 s4details
#290.02 s4details
#300.02 s4details
#310.02 s4details
#32ACCEPTED0.02 s4details
#330.02 s4details
#340.02 s4details

Code


def main():

    n, k = [int(el) for el in input().split()]
    nums = [int(el) for el in input().split()]

    if k == 2:
        print("YES")
        operations, nums = bubble_sort(nums, n)
        print(len(operations))
        print(*operations)
    elif k == 3:
        nums_1 = sorted(nums[::2])
        nums_2 = sorted(nums[1::2])
        new_nums = []
        for i in range(len(nums_1)):
            new_nums.append(nums_1[i])
            if i < len(nums_2):
                new_nums.append(nums_2[i])
        if new_nums == sorted(nums):
            print("YES")
            
            operations = []
            for i in range((n + 1) // 2):
                for j in range(0, n - i - 2, 2):
                    if nums[j] > nums[j + 2]:
                        operations.append(j + 1)
                        nums[j], nums[j + 2] = nums[j + 2], nums[j]

            for i in range(n // 2):
                for j in range(1, n - i - 2, 2):
                    if nums[j] > nums[j + 2]:
                        operations.append(j + 1)
                        nums[j], nums[j + 2] = nums[j + 2], nums[j]
            
            print(len(operations))
            print(*operations)
        else:
            print("NO")

    elif k == 4:
        cur_len = len(nums)
        cur_num = cur_len
        operations = []
        while cur_len > 4:
            nums, operations = get_num_in_position(nums, cur_num, cur_len - 1, operations)
            cur_num -= 1
            cur_len -= 1
            # print(nums)

        if nums == sorted(nums) and len(operations < 10**6):
            print("YES")
            print(len(operations))
            print(*operations)
        else:
            nums[:4:] = nums[:4:][::-1]
            operations.append(1)
            if nums == sorted(nums) and len(operations < 10**6):
                print("YES")
                print(len(operations))
                print(*operations)
            else:
                print("NO")


    elif k == 5:
        new_nums = []
        nums_1 = nums[::2]
        nums_2 = sorted(nums[1::2])
        if check_3(nums_1, len(nums_1)):
            nums_1.sort()
            for i in range(len(nums_1)):
                new_nums.append(nums_1[i])
                if i < len(nums_2):
                    new_nums.append(nums_2[i])
            if new_nums == sorted(nums):
                cur_len = len(nums)
                cur_num = cur_len
                operations = []
                while cur_len > 5:
                    nums, operations = get_num_in_position_5(nums, cur_num, cur_len - 1, operations)
                    cur_num -= 1
                    cur_len -= 1
                    # print(nums)
                print(nums)
                if nums == sorted(nums):
                    print("YES")
                    print(len(operations))
                    print(*operations)
                else:
                    nums[:5:] = nums[:5:][::-1]
                    operations.append(1)
                    if nums == sorted(nums):
                        print("YES")
                        print(len(operations))
                        print(*operations)
                    else:
                        print("NO")
            else:
                print("NO")
        else:
            print("NO")
            


def bubble_sort(nums, n):
    operations = []
    for i in range(n):
        for j in range(n - i - 1):
            if nums[j] > nums[j + 1]:
                operations.append(j + 1)
                nums[j], nums[j + 1] = nums[j + 1], nums[j]
    return operations, nums

def check_3(nums, n):
        nums_1 = sorted(nums[::2])
        nums_2 = sorted(nums[1::2])
        new_nums = []
        for i in range(len(nums_1)):
            new_nums.append(nums_1[i])
            if i < len(nums_2):
                new_nums.append(nums_2[i])
        if new_nums == sorted(nums):
            return True
        else:
            return False

def get_num_in_position(nums, goal_num, goal_ind, operations):
    for i in range(goal_ind + 1):
        if nums[i] == goal_num:
            num_ind = i
    #print(nums, goal_ind, num_ind)
    #operations = []
    while num_ind != goal_ind:
        if goal_ind - num_ind >= 3:
            operations.append(num_ind + 1)
            #print(nums[num_ind:num_ind + 4], nums[num_ind:num_ind + 4][::-1])
            nums[num_ind:num_ind + 4] = nums[num_ind:num_ind + 4][::-1]
            #print(nums)
            num_ind += 3
        elif goal_ind - num_ind == 1:
            operations.append(num_ind - 1)
            nums[num_ind - 2:num_ind + 2] = nums[num_ind - 2:num_ind + 2][::-1]
            num_ind -= 1

            operations.append(num_ind - 1)
            nums[num_ind - 2:num_ind + 2] = nums[num_ind - 2:num_ind + 2][::-1]
            num_ind -= 1

            operations.append(num_ind + 1)
            nums[num_ind:num_ind + 4] = nums[num_ind:num_ind + 4][::-1]
            num_ind += 3
        else:
            operations.append(num_ind - 1)
            #print(nums[num_ind - 2:num_ind + 2], nums[num_ind - 2:num_ind + 2][::-1])
            nums[num_ind - 2:num_ind + 2] = nums[num_ind - 2:num_ind + 2][::-1]
            #print(nums)
            num_ind -= 1

            operations.append(num_ind + 1)
            #print(nums[num_ind:num_ind + 4], nums[num_ind:num_ind + 4][::-1])
            nums[num_ind:num_ind + 4] = nums[num_ind:num_ind + 4][::-1]
            #print(nums)
            num_ind += 3
    return nums, operations


def get_num_in_position_5(nums, goal_num, goal_ind, operations):
    for i in range(goal_ind + 1):
        if nums[i] == goal_num:
            num_ind = i
    #print(nums, goal_ind, num_ind)
    #operations = []
    while num_ind != goal_ind:
        if goal_ind - num_ind >= 4:
            operations.append(num_ind + 1)
            #print(nums[num_ind:num_ind + 4], nums[num_ind:num_ind + 4][::-1])
            nums[num_ind:num_ind + 5] = nums[num_ind:num_ind + 5][::-1]
            #print(nums)
            num_ind += 4
        else:
            operations.append(num_ind - 2)
            #print(nums[num_ind - 2:num_ind + 2], nums[num_ind - 2:num_ind + 2][::-1])
            nums[num_ind - 3:num_ind + 2] = nums[num_ind - 3:num_ind + 2][::-1]
            #print(nums)
            num_ind -= 1

            operations.append(num_ind)
            #print(nums[num_ind - 2:num_ind + 2], nums[num_ind - 2:num_ind + 2][::-1])
            nums[num_ind:num_ind + 5] = nums[num_ind:num_ind + 5][::-1]
            #print(nums)
            num_ind -= 1
    return nums, operations
        
main()

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
5 2
1 2 3 4 5

correct output
YES
0

user output
YES
0

Test 2

Group: 1

Verdict: ACCEPTED

input
5 2
2 1 3 4 5

correct output
YES
1
1

user output
YES
1
1

Test 3

Group: 1

Verdict: ACCEPTED

input
20 2
6 20 18 2 16 13 19 17 8 14 11 ...

correct output
YES
366
2 3 4 5 6 7 8 9 10 11 12 13 14...

user output
YES
132
2 3 4 5 6 7 8 9 10 11 12 13 14...
Truncated

Test 4

Group: 1

Verdict: ACCEPTED

input
100 2
100 92 62 88 12 7 43 31 19 72 ...

correct output
YES
2876
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

user output
YES
2438
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Truncated

Test 5

Group: 1

Verdict: ACCEPTED

input
100 2
100 99 98 97 96 95 94 93 92 91...

correct output
YES
5248
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

user output
YES
4950
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Truncated

Test 6

Group: 2

Verdict: ACCEPTED

input
5 3
1 2 3 4 5

correct output
YES
0

user output
YES
0

Test 7

Group: 2

Verdict: ACCEPTED

input
5 3
3 5 4 1 2

correct output
NO

user output
NO

Test 8

Group: 2

Verdict: ACCEPTED

input
5 3
5 2 1 4 3

correct output
YES
8
1 2 1 3 1 2 3 1

user output
YES
2
1 3

Test 9

Group: 2

Verdict: ACCEPTED

input
20 3
19 14 1 18 3 4 11 20 13 6 17 8...

correct output
YES
52
8 10 12 14 16 18 1 3 5 7 9 11 ...

user output
YES
42
1 3 5 7 9 11 13 15 17 9 11 13 ...
Truncated

Test 10

Group: 2

Verdict: ACCEPTED

input
20 3
9 6 13 18 5 10 3 2 7 20 1 4 19...

correct output
YES
50
10 12 14 16 18 13 15 17 4 6 8 ...

user output
YES
34
3 5 7 9 13 15 17 1 3 5 7 11 1 ...

Test 11

Group: 2

Verdict: ACCEPTED

input
500 3
53 52 21 76 25 142 5 4 83 176 ...

correct output
YES
15194
334 336 338 340 342 344 346 34...

user output
YES
15174
1 3 5 11 13 15 17 19 25 27 29 ...
Truncated

Test 12

Group: 2

Verdict: ACCEPTED

input
500 3
51 44 147 172 1 28 27 82 233 1...

correct output
YES
15565
366 368 370 372 374 376 378 38...

user output
YES
15543
3 5 11 13 15 17 19 21 23 27 29...
Truncated

Test 13

Group: 2

Verdict: ACCEPTED

input
500 3
75 46 179 62 221 14 67 154 89 ...

correct output
YES
15920
454 456 458 460 462 464 466 46...

user output
YES
15902
5 7 9 11 13 15 19 21 23 25 27 ...
Truncated

Test 14

Group: 2

Verdict: ACCEPTED

input
500 3
161 54 285 12 71 142 111 94 97...

correct output
YES
15931
408 410 412 414 416 418 420 42...

user output
YES
15907
3 5 7 9 11 13 15 17 19 21 23 2...
Truncated

Test 15

Group: 2

Verdict: ACCEPTED

input
500 3
122 260 455 113 315 276 433 43...

correct output
NO

user output
NO

Test 16

Group: 2

Verdict: ACCEPTED

input
500 3
499 500 497 498 495 496 493 49...

correct output
YES
62264
2 4 6 8 10 12 14 16 18 20 22 2...

user output
YES
62250
1 3 5 7 9 11 13 15 17 19 21 23...
Truncated

Test 17

Group: 3

Verdict:

input
5 4
1 2 3 4 5

correct output
YES
0

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 196, in <module>...

Test 18

Group: 3

Verdict:

input
5 4
5 1 2 3 4

correct output
YES
4
1 2 1 2

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 196, in <module>...

Test 19

Group: 3

Verdict:

input
500 4
58 14 107 124 4 113 24 290 56 ...

correct output
YES
15698
389 392 395 398 401 404 407 41...

user output
NO

Test 20

Group: 3

Verdict:

input
500 4
113 187 278 242 23 67 48 298 3...

correct output
YES
15004
480 481 480 482 485 488 491 49...

user output
NO

Test 21

Group: 3

Verdict:

input
500 4
5 233 199 35 213 354 11 134 30...

correct output
YES
16770
458 461 464 467 470 473 476 47...

user output
NO

Test 22

Group: 3

Verdict:

input
500 4
169 47 21 137 57 138 360 147 4...

correct output
YES
15889
497 371 372 371 373 376 379 38...

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 196, in <module>...

Test 23

Group: 3

Verdict:

input
500 4
493 409 291 313 156 443 496 40...

correct output
YES
22886
480 481 480 482 485 488 491 49...

user output
NO

Test 24

Group: 3

Verdict: ACCEPTED

input
500 4
137 99 100 226 326 298 140 340...

correct output
NO

user output
NO

Test 25

Group: 3

Verdict:

input
500 4
500 499 498 497 496 495 494 49...

correct output
YES
41458
1 2 1 2 5 8 11 14 17 20 23 26 ...

user output
NO

Test 26

Group: 4

Verdict:

input
5 5
1 2 3 4 5

correct output
YES
0

user output
[1, 2, 3, 4, 5]
YES
0

Test 27

Group: 4

Verdict:

input
5 5
5 4 3 2 1

correct output
YES
1
1

user output
[5, 4, 3, 2, 1]
YES
1
1

Test 28

Group: 4

Verdict:

input
500 5
145 26 285 154 147 314 141 40 ...

correct output
YES
13786
216 220 224 228 232 236 240 24...

user output
NO

Test 29

Group: 4

Verdict:

input
500 5
137 22 399 292 249 6 51 224 42...

correct output
YES
13465
456 460 464 468 472 476 480 48...

user output
NO

Test 30

Group: 4

Verdict:

input
500 5
153 52 85 100 329 60 433 468 4...

correct output
YES
13642
377 378 377 380 384 388 392 39...

user output
NO

Test 31

Group: 4

Verdict:

input
500 5
267 326 95 108 189 32 291 366 ...

correct output
YES
14639
213 214 213 216 220 224 228 23...

user output
NO

Test 32

Group: 4

Verdict: ACCEPTED

input
500 5
15 450 272 80 321 101 247 438 ...

correct output
NO

user output
NO

Test 33

Group: 4

Verdict:

input
499 5
497 498 499 496 495 494 493 49...

correct output
YES
30886
3 7 11 15 19 23 27 31 35 39 43...

user output
NO

Test 34

Group: 4

Verdict:

input
500 5
499 500 497 498 495 496 493 49...

correct output
YES
30919
1 4 8 12 16 20 24 28 32 36 40 ...

user output
NO