CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:valtteriilola
Submission time:2018-10-10 19:55:24 +0300
Language:Python3
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.05 s1details
#20.07 s1details
#30.06 s1details
#40.05 s1details
#50.05 s1details
#60.05 s1details
#70.05 s1details
#80.05 s1details
#90.05 s1details
#100.06 s1details
#110.05 s2details
#120.05 s2details
#130.05 s2details
#140.05 s2details
#150.06 s2details
#160.06 s2details
#170.05 s2details
#180.05 s2details
#190.06 s2details
#200.05 s2details
#210.06 s3details
#220.05 s3details
#230.05 s3details
#240.05 s3details
#250.06 s3details
#260.05 s3details
#270.05 s3details
#280.06 s3details
#290.06 s3details
#300.06 s3details

Code

import sys
import functools
from math import factorial

sys.setrecursionlimit(2000)

n = int(input())
_ = [input() for _ in range(n)]

@functools.lru_cache(maxsize=500)
def derangement(n):
    if n == 1:
        return 0
    if n == 0:
        return 1
    
    return (n - 1) * (derangement(n - 1) + derangement(n - 2))

print((factorial(n) * derangement(n)) % (10 ** 9) + 7)

Test details

Test 1

Group: 1

Verdict:

input
2
..
..

correct output
2

user output
9

Test 2

Group: 1

Verdict:

input
2
..
A.

correct output
1

user output
9

Test 3

Group: 1

Verdict:

input
2
B.
.A

correct output
0

user output
9

Test 4

Group: 1

Verdict:

input
3
...
...
...

correct output
12

user output
19

Test 5

Group: 1

Verdict:

input
4
....
....
....
....

correct output
216

user output
223

Test 6

Group: 1

Verdict:

input
5
.....
.....
.....
.....
...

correct output
5280

user output
5287

Test 7

Group: 1

Verdict:

input
5
....A
.....
.....
.....
...

correct output
264

user output
5287

Test 8

Group: 1

Verdict:

input
5
B....
.....
.....
.A.B.
...

correct output
22

user output
5287

Test 9

Group: 1

Verdict:

input
5
B.A..
....A
.....
A.B..
...

correct output
2

user output
5287

Test 10

Group: 1

Verdict:

input
5
A.B..
BA...
.B.A.
...BA
...

correct output
1

user output
5287

Test 11

Group: 2

Verdict:

input
10
..........
..........
..........
..........
...

correct output
306442892

user output
306476807

Test 12

Group: 2

Verdict:

input
50
.................................

correct output
694861480

user output
7

Test 13

Group: 2

Verdict:

input
111
.................................

correct output
555319110

user output
7

Test 14

Group: 2

Verdict:

input
222
.................................

correct output
108372237

user output
7

Test 15

Group: 2

Verdict:

input
333
.................................

correct output
259107857

user output
7

Test 16

Group: 2

Verdict:

input
444
.................................

correct output
19906314

user output
7

Test 17

Group: 2

Verdict:

input
497
.................................

correct output
224313667

user output
7

Test 18

Group: 2

Verdict:

input
498
.................................

correct output
929574601

user output
7

Test 19

Group: 2

Verdict:

input
499
.................................

correct output
600226043

user output
7

Test 20

Group: 2

Verdict:

input
500
.................................

correct output
198353194

user output
7

Test 21

Group: 3

Verdict:

input
499
.................................

correct output
840243733

user output
7

Test 22

Group: 3

Verdict:

input
499
........................A........

correct output
4146290

user output
7

Test 23

Group: 3

Verdict:

input
499
B.........A......................

correct output
173518884

user output
7

Test 24

Group: 3

Verdict:

input
499
...A....B........................

correct output
20044800

user output
7

Test 25

Group: 3

Verdict:

input
499
AB...............................

correct output
2

user output
7

Test 26

Group: 3

Verdict:

input
500
.................................

correct output
121064146

user output
7

Test 27

Group: 3

Verdict:

input
500
.................................

correct output
848435259

user output
7

Test 28

Group: 3

Verdict:

input
500
.....B........A..................

correct output
296240911

user output
7

Test 29

Group: 3

Verdict:

input
500
.A......B........................

correct output
2196

user output
7

Test 30

Group: 3

Verdict:

input
500
...AB............................

correct output
1

user output
7