CSES - Aalto Competitive Programming 2025 - wk6 - Wed

Submission details
Task:	Fence
Sender:	hy2025_001
Submission time:	2025-10-08 17:45:31 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.04 s	details
#4	ACCEPTED	0.04 s	details
#5	ACCEPTED	0.04 s	details
#6	ACCEPTED	0.04 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	ACCEPTED	0.04 s	details
#10	ACCEPTED	0.04 s	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.04 s	details
#13	ACCEPTED	0.04 s	details
#14	ACCEPTED	0.04 s	details
#15	ACCEPTED	0.04 s	details
#16	ACCEPTED	0.04 s	details
#17	ACCEPTED	0.04 s	details
#18	ACCEPTED	0.04 s	details
#19	ACCEPTED	0.04 s	details
#20	ACCEPTED	0.04 s	details
#21	ACCEPTED	0.04 s	details
#22	ACCEPTED	0.04 s	details
#23	ACCEPTED	0.04 s	details
#24	ACCEPTED	0.04 s	details
#25	ACCEPTED	0.04 s	details
#26	ACCEPTED	0.04 s	details
#27	ACCEPTED	0.04 s	details
#28	ACCEPTED	0.04 s	details
#29	ACCEPTED	0.04 s	details
#30	ACCEPTED	0.04 s	details
#31	ACCEPTED	0.04 s	details
#32	ACCEPTED	0.04 s	details
#33	ACCEPTED	0.04 s	details
#34	ACCEPTED	0.04 s	details
#35	ACCEPTED	0.04 s	details
#36	ACCEPTED	0.04 s	details
#37	ACCEPTED	0.04 s	details
#38	ACCEPTED	0.04 s	details
#39	ACCEPTED	0.04 s	details
#40	ACCEPTED	0.04 s	details
#41	ACCEPTED	0.04 s	details
#42	ACCEPTED	0.04 s	details
#43	ACCEPTED	0.04 s	details
#44	ACCEPTED	0.04 s	details
#45	ACCEPTED	0.04 s	details
#46	ACCEPTED	0.04 s	details
#47	ACCEPTED	0.04 s	details
#48	ACCEPTED	0.04 s	details
#49	ACCEPTED	0.04 s	details
#50	ACCEPTED	0.04 s	details
#51	ACCEPTED	0.04 s	details
#52	ACCEPTED	0.04 s	details
#53	ACCEPTED	0.05 s	details
#54	ACCEPTED	0.04 s	details
#55	ACCEPTED	0.04 s	details
#56	ACCEPTED	0.04 s	details
#57	ACCEPTED	0.04 s	details
#58	ACCEPTED	0.04 s	details
#59	ACCEPTED	0.04 s	details
#60	ACCEPTED	0.04 s	details
#61	ACCEPTED	0.04 s	details
#62	ACCEPTED	0.04 s	details
#63	ACCEPTED	0.13 s	details
#64	ACCEPTED	0.13 s	details
#65	ACCEPTED	0.13 s	details
#66	ACCEPTED	0.13 s	details
#67	ACCEPTED	0.13 s	details
#68	ACCEPTED	0.12 s	details
#69	ACCEPTED	0.13 s	details
#70	ACCEPTED	0.12 s	details
#71	ACCEPTED	0.13 s	details
#72	ACCEPTED	0.12 s	details

Code

n, k = list(map(int, input().split()))
h = list(map(int, input().split()))
h.sort()

for i in range(n):
  if not h[i] + h[-1 - i] >= k:
    print('No')
    exit()
print('Yes')

Test details

Test 1

Verdict: ACCEPTED

input
`1 8 3 5` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 2

Verdict: ACCEPTED

input
`1 9 3 4` view save

correct output
`No` view save

user output
`No` view save

Test 3

Verdict: ACCEPTED

input
`2 3 2 1 2 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 4

Verdict: ACCEPTED

input
`2 3 2 1 1 2` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 5

Verdict: ACCEPTED

input
`3 5 3 2 2 3 2 3` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 6

Verdict: ACCEPTED

input
`3 8 3 5 3 5 2 6` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 7

Verdict: ACCEPTED

input
`3 4 3 1 1 3 2 2` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 8

Verdict: ACCEPTED

input
`4 2 1 1 1 1 1 1 1 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 9

Verdict: ACCEPTED

input
`4 8 1 7 2 6 7 1 2 6` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 10

Verdict: ACCEPTED

input
`4 2 1 1 1 1 1 1 1 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 11

Verdict: ACCEPTED

input
`4 2 1 1 1 1 1 1 1 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 12

Verdict: ACCEPTED

input
`4 8 5 2 6 2 2 6 4 3` view save

correct output
`No` view save

user output
`No` view save

Test 13

Verdict: ACCEPTED

input
`5 6 4 2 5 1 4 2 5 1 5 3` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 14

Verdict: ACCEPTED

input
`5 5 3 2 4 1 1 4 1 4 2 3` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 15

Verdict: ACCEPTED

input
`5 5 1 4 3 4 2 2 2 2 2 1` view save

correct output
`No` view save

user output
`No` view save

Test 16

Verdict: ACCEPTED

input
`5 6 4 5 2 1 3 3 5 3 5 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 17

Verdict: ACCEPTED

input
`5 10 5 5 2 8 9 1 8 2 7 3` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 18

Verdict: ACCEPTED

input
`5 3 2 2 1 1 2 2 1 1 2 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 19

Verdict: ACCEPTED

input
`5 10 3 7 2 8 8 2 1 9 1 9` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 20

Verdict: ACCEPTED

input
`5 2 1 1 1 1 1 1 1 1 1 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 21

Verdict: ACCEPTED

input
`5 9 8 2 7 4 5 7 2 4 1 5` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 22

Verdict: ACCEPTED

input
`5 2 1 1 1 1 1 1 1 1 1 1` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 23

Verdict: ACCEPTED

input
`10 6 4 2 5 1 4 2 5 1 5 3 4 2 4 2 2 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 24

Verdict: ACCEPTED

input
`10 5 3 2 4 1 1 4 1 4 2 3 4 1 1 4 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 25

Verdict: ACCEPTED

input
`10 5 1 4 3 4 2 2 2 2 2 1 1 3 3 1 2 ...` view save

correct output
`No` view save

user output
`No` view save

Test 26

Verdict: ACCEPTED

input
`10 6 4 5 2 1 3 3 5 3 5 1 1 1 2 2 1 ...` view save

correct output
`No` view save

user output
`No` view save

Test 27

Verdict: ACCEPTED

input
`10 10 5 5 2 8 9 1 8 2 7 3 6 4 7 3 6 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 28

Verdict: ACCEPTED

input
`10 3 2 2 1 1 2 2 1 1 2 1 2 1 2 1 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 29

Verdict: ACCEPTED

input
`10 10 3 7 2 8 8 2 1 9 1 9 4 6 1 9 9 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 30

Verdict: ACCEPTED

input
`10 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 31

Verdict: ACCEPTED

input
`10 9 8 2 7 4 5 7 2 4 1 5 4 7 4 4 5 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 32

Verdict: ACCEPTED

input
`10 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 33

Verdict: ACCEPTED

input
`100 54882 39253 15632 47086 7798 23252 3...` view save

correct output
`No` view save

user output
`No` view save

Test 34

Verdict: ACCEPTED

input
`100 41703 30040 11663 38890 2813 5 41698...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 35

Verdict: ACCEPTED

input
`100 43601 1131 40616 23966 41322 18981 2...` view save

correct output
`No` view save

user output
`No` view save

Test 36

Verdict: ACCEPTED

input
`100 55081 39006 46265 16024 6683 28137 3...` view save

correct output
`No` view save

user output
`No` view save

Test 37

Verdict: ACCEPTED

input
`100 96704 52920 43784 16701 80003 94062 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 38

Verdict: ACCEPTED

input
`100 22201 19331 18456 4590 8076 20394 21...` view save

correct output
`No` view save

user output
`No` view save

Test 39

Verdict: ACCEPTED

input
`100 89287 29642 59645 18698 70589 73325 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 40

Verdict: ACCEPTED

input
`100 7632 5952 2435 3346 7465 5521 3477 ...` view save

correct output
`No` view save

user output
`No` view save

Test 41

Verdict: ACCEPTED

input
`100 87344 84597 20914 75919 32974 46368 ...` view save

correct output
`No` view save

user output
`No` view save

Test 42

Verdict: ACCEPTED

input
`100 1039 521 518 6 1030 146 890 911 126...` view save

correct output
`No` view save

user output
`No` view save

Test 43

Verdict: ACCEPTED

input
`200 54882 39253 15632 47086 7798 23252 3...` view save

correct output
`No` view save

user output
`No` view save

Test 44

Verdict: ACCEPTED

input
`200 41703 30040 11663 38890 2813 5 41698...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 45

Verdict: ACCEPTED

input
`200 43601 1131 40616 23966 41322 18981 2...` view save

correct output
`No` view save

user output
`No` view save

Test 46

Verdict: ACCEPTED

input
`200 55081 39006 46265 16024 6683 28137 3...` view save

correct output
`No` view save

user output
`No` view save

Test 47

Verdict: ACCEPTED

input
`200 96704 52920 43784 16701 80003 94062 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 48

Verdict: ACCEPTED

input
`200 22201 19331 18456 4590 8076 20394 21...` view save

correct output
`No` view save

user output
`No` view save

Test 49

Verdict: ACCEPTED

input
`200 89287 29642 59645 18698 70589 73325 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 50

Verdict: ACCEPTED

input
`200 7632 5952 2435 3346 7465 5521 3477 ...` view save

correct output
`No` view save

user output
`No` view save

Test 51

Verdict: ACCEPTED

input
`200 87344 84597 20914 75919 32974 46368 ...` view save

correct output
`No` view save

user output
`No` view save

Test 52

Verdict: ACCEPTED

input
`200 1039 521 518 6 1030 146 890 911 126...` view save

correct output
`No` view save

user output
`No` view save

Test 53

Verdict: ACCEPTED

input
`1000 54882 39253 15632 47086 7798 23252 3...` view save

correct output
`No` view save

user output
`No` view save

Test 54

Verdict: ACCEPTED

input
`1000 41703 30040 11663 38890 2813 5 41698...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 55

Verdict: ACCEPTED

input
`1000 43601 1131 40616 23966 41322 18981 2...` view save

correct output
`No` view save

user output
`No` view save

Test 56

Verdict: ACCEPTED

input
`1000 55081 39006 46265 16024 6683 28137 3...` view save

correct output
`No` view save

user output
`No` view save

Test 57

Verdict: ACCEPTED

input
`1000 96704 52920 43784 16701 80003 94062 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 58

Verdict: ACCEPTED

input
`1000 22201 19331 18456 4590 8076 20394 21...` view save

correct output
`No` view save

user output
`No` view save

Test 59

Verdict: ACCEPTED

input
`1000 89287 29642 59645 18698 70589 73325 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 60

Verdict: ACCEPTED

input
`1000 7632 5952 2435 3346 7465 5521 3477 ...` view save

correct output
`No` view save

user output
`No` view save

Test 61

Verdict: ACCEPTED

input
`1000 87344 84597 20914 75919 32974 46368 ...` view save

correct output
`No` view save

user output
`No` view save

Test 62

Verdict: ACCEPTED

input
`1000 1039 521 518 6 1030 146 890 911 126...` view save

correct output
`No` view save

user output
`No` view save

Test 63

Verdict: ACCEPTED

input
`100000 54882 39253 15632 47086 7798 23252 3...` view save

correct output
`No` view save

user output
`No` view save

Test 64

Verdict: ACCEPTED

input
`100000 41703 30040 11663 38890 2813 5 41698...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 65

Verdict: ACCEPTED

input
`100000 43601 1131 40616 23966 41322 18981 2...` view save

correct output
`No` view save

user output
`No` view save

Test 66

Verdict: ACCEPTED

input
`100000 55081 39006 46265 16024 6683 28137 3...` view save

correct output
`No` view save

user output
`No` view save

Test 67

Verdict: ACCEPTED

input
`100000 96704 52920 43784 16701 80003 94062 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 68

Verdict: ACCEPTED

input
`100000 22201 19331 18456 4590 8076 20394 21...` view save

correct output
`No` view save

user output
`No` view save

Test 69

Verdict: ACCEPTED

input
`100000 89287 29642 59645 18698 70589 73325 ...` view save

correct output
`Yes` view save

user output
`Yes` view save

Test 70

Verdict: ACCEPTED

input
`100000 7632 5952 2435 3346 7465 5521 3477 ...` view save

correct output
`No` view save

user output
`No` view save

Test 71

Verdict: ACCEPTED

input
`100000 87344 84597 20914 75919 32974 46368 ...` view save

correct output
`No` view save

user output
`No` view save

Test 72

Verdict: ACCEPTED

input
`100000 1039 521 518 6 1030 146 890 911 126...` view save

correct output
`No` view save

user output
`No` view save

Aalto Competitive Programming 2025 - wk6 - Wed

Fence

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

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Test 71

Test 72

Tasks

Submissions (hy2025_001)