CSES - Datatähti 2022 alku - Results
Submission details
Task:Ositus
Sender:rethesis
Submission time:2021-10-17 17:00:54 +0300
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3details
#20.04 s1, 2, 3details
#30.04 s1, 2, 3details
#40.04 s1, 2, 3details
#50.07 s2, 3details
#60.07 s3details
#70.07 s3details

Code

import math

bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))

print(bell(len(input())))






















Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
a

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict:

input
abcdefghij

correct output
512

user output
115975

Test 3

Group: 1, 2, 3

Verdict:

input
abcabaacbc

correct output
120

user output
115975

Test 4

Group: 1, 2, 3

Verdict:

input
aaxxxxxxaa

correct output
4

user output
115975

Test 5

Group: 2, 3

Verdict:

input
mfyzvoxmppoxcvktmcjkryyocfweub...

correct output
643221148

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 5, in <module>
    print(b...

Test 6

Group: 3

Verdict:

input
weinscqmmpgbrlboocvtbptgbahmwv...

correct output
831644159

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 5, in <module>
    print(b...

Test 7

Group: 3

Verdict:

input
sxaoxcyrjoeieyinaqxwukgzdnhhsw...

correct output
816016015

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 5, in <module>
    print(b...