CSES - DatatÃ¤hti 2022 alku - Results
 Task: Ositus Sender: rethesis Submission time: 2021-10-17 17:00:54 +0300 Language: PyPy3 Status: READY Result: 0
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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

Group: 1, 2, 3

Verdict:

input
abcdefghij

correct output
512

user output
115975

Group: 1, 2, 3

Verdict:

input
abcabaacbc

correct output
120

user output
115975

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(bell(len(input())))
File "input/code.py", line 3, in <lambda>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
File "input/code.py", line 3, in <genexpr>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
OverflowError: int too large to convert to float```

#### 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(bell(len(input())))
File "input/code.py", line 3, in <lambda>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
File "input/code.py", line 3, in <genexpr>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
OverflowError: int too large to convert to float```

#### 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(bell(len(input())))
File "input/code.py", line 3, in <lambda>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
File "input/code.py", line 3, in <genexpr>
bell = lambda n: math.ceil(sum(k**n/math.e/math.factorial(k)for k in range(2*n)))
OverflowError: int too large to convert to float```