CSES - E4590 2020 4

Submission details
Task:	Permutations
Sender:	stem_boys
Submission time:	2020-10-03 13:20:33 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.05 s	details
#2	ACCEPTED	0.05 s	details
#3	ACCEPTED	0.05 s	details
#4	ACCEPTED	0.05 s	details
#5	ACCEPTED	0.05 s	details
#6	ACCEPTED	0.05 s	details
#7	ACCEPTED	0.05 s	details
#8	ACCEPTED	0.05 s	details
#9	ACCEPTED	0.05 s	details
#10	ACCEPTED	0.05 s	details
#11	ACCEPTED	0.09 s	details
#12	ACCEPTED	0.22 s	details
#13	ACCEPTED	0.22 s	details
#14	ACCEPTED	0.28 s	details
#15	ACCEPTED	0.29 s	details
#16	ACCEPTED	0.32 s	details
#17	ACCEPTED	0.46 s	details
#18	ACCEPTED	0.54 s	details
#19	ACCEPTED	0.55 s	details
#20	ACCEPTED	0.55 s	details
#21	ACCEPTED	0.60 s	details

Code

def main() :
    n = int(input())
    if n == 2 or n == 3:
        print('NO SOLUTION')
    else :
        i = n-1 if n%2 == 0 else n
        while i >= 1 :
            print(i,end=' ')
            i -= 2
        
        i = n if n % 2 == 0 else n-1
        while i >= 1:
            print(i, end=' ')
            i -= 2


if __name__ == "__main__":
    main()

Test details

Test 1

Verdict: ACCEPTED

input
`1` view save

correct output
`1` view save

user output
`1` view save

Test 2

Verdict: ACCEPTED

input
`2` view save

correct output
`NO SOLUTION` view save

user output
`NO SOLUTION` view save

Test 3

Verdict: ACCEPTED

input
`3` view save

correct output
`NO SOLUTION` view save

user output
`NO SOLUTION` view save

Test 4

Verdict: ACCEPTED

input
`4` view save

correct output
`2 4 1 3` view save

user output
`3 1 4 2` view save

Test 5

Verdict: ACCEPTED

input
`5` view save

correct output
`2 4 1 3 5` view save

user output
`5 3 1 4 2` view save

Test 6

Verdict: ACCEPTED

input
`6` view save

correct output
`2 4 6 1 3 5` view save

user output
`5 3 1 6 4 2` view save

Test 7

Verdict: ACCEPTED

input
`7` view save

correct output
`2 4 6 1 3 5 7` view save

user output
`7 5 3 1 6 4 2` view save

Test 8

Verdict: ACCEPTED

input
`8` view save

correct output
`2 4 6 8 1 3 5 7` view save

user output
`7 5 3 1 8 6 4 2` view save

Test 9

Verdict: ACCEPTED

input
`9` view save

correct output
`2 4 6 8 1 3 5 7 9` view save

user output
`9 7 5 3 1 8 6 4 2` view save

Test 10

Verdict: ACCEPTED

input
`10` view save

correct output
`2 4 6 8 10 1 3 5 7 9` view save

user output
`9 7 5 3 1 10 8 6 4 2` view save

Test 11

Verdict: ACCEPTED

input
`11542` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`11541 11539 11537 11535 11533 ...` view save

Test 12

Verdict: ACCEPTED

input
`247250` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`247249 247247 247245 247243 24...` view save

Test 13

Verdict: ACCEPTED

input
`252599` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`252599 252597 252595 252593 25...` view save

Test 14

Verdict: ACCEPTED

input
`357358` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`357357 357355 357353 357351 35...` view save

Test 15

Verdict: ACCEPTED

input
`384814` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`384813 384811 384809 384807 38...` view save

Test 16

Verdict: ACCEPTED

input
`433443` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`433443 433441 433439 433437 43...` view save

Test 17

Verdict: ACCEPTED

input
`719525` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`719525 719523 719521 719519 71...` view save

Test 18

Verdict: ACCEPTED

input
`882193` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`882193 882191 882189 882187 88...` view save

Test 19

Verdict: ACCEPTED

input
`898673` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`898673 898671 898669 898667 89...` view save

Test 20

Verdict: ACCEPTED

input
`906819` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`906819 906817 906815 906813 90...` view save

Test 21

Verdict: ACCEPTED

input
`1000000` view save

correct output
`2 4 6 8 10 12 14 16 18 20 22 2...` view save

user output
`999999 999997 999995 999993 99...` view save

E4590 2020 4

Permutations

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Tasks

Submissions (stem_boys)