CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:Kurns
Submission time:2018-10-03 22:15:38 +0300
Language:Python3
Status:READY
Result:14
Feedback
groupverdictscore
#10
#2ACCEPTED14
#30
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#20.04 s1details
#30.05 s1details
#4ACCEPTED0.04 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.05 s1details
#70.05 s1details
#80.04 s1details
#90.05 s1details
#100.05 s1details
#11ACCEPTED0.04 s2details
#12ACCEPTED0.04 s2details
#13ACCEPTED0.04 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.07 s2details
#16ACCEPTED0.08 s2details
#17ACCEPTED0.09 s2details
#18ACCEPTED0.09 s2details
#19ACCEPTED0.09 s2details
#20ACCEPTED0.10 s2details
#210.09 s3details
#220.09 s3details
#230.09 s3details
#240.09 s3details
#250.10 s3details
#260.10 s3details
#270.10 s3details
#280.09 s3details
#290.09 s3details
#300.09 s3details

Code

rivilkm = int(input())

ruudukko = []

for a in range(0, rivilkm):
    ruudukko.append([])
    rivi = input()
    for i in rivi:
        ruudukko[a].append(i)


deranDict = {0:1, 1:0}
def deran(k):
    if k in deranDict:
        return deranDict[k]
    
    ans = (k-1) * (deran(k-1) + deran(k-2)) 
    deranDict[k] = ans
    return ans

def fact(i):
    ans = 1
    for k in range(i, 0, -1):
        ans *= k
    return ans


print((deran(rivilkm)*fact(rivilkm))%1000000007)

"""
Group 1:
case 1 = 0
case 4 = 12
"""

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
2
..
..

correct output
2

user output
2

Test 2

Group: 1

Verdict:

input
2
..
A.

correct output
1

user output
2

Test 3

Group: 1

Verdict:

input
2
B.
.A

correct output
0

user output
2

Test 4

Group: 1

Verdict: ACCEPTED

input
3
...
...
...

correct output
12

user output
12

Test 5

Group: 1

Verdict: ACCEPTED

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

correct output
216

user output
216

Test 6

Group: 1

Verdict: ACCEPTED

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

correct output
5280

user output
5280

Test 7

Group: 1

Verdict:

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

correct output
264

user output
5280

Test 8

Group: 1

Verdict:

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

correct output
22

user output
5280

Test 9

Group: 1

Verdict:

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

correct output
2

user output
5280

Test 10

Group: 1

Verdict:

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

correct output
1

user output
5280

Test 11

Group: 2

Verdict: ACCEPTED

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

correct output
306442892

user output
306442892

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
694861480

user output
694861480

Test 13

Group: 2

Verdict: ACCEPTED

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

correct output
555319110

user output
555319110

Test 14

Group: 2

Verdict: ACCEPTED

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

correct output
108372237

user output
108372237

Test 15

Group: 2

Verdict: ACCEPTED

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

correct output
259107857

user output
259107857

Test 16

Group: 2

Verdict: ACCEPTED

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

correct output
19906314

user output
19906314

Test 17

Group: 2

Verdict: ACCEPTED

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

correct output
224313667

user output
224313667

Test 18

Group: 2

Verdict: ACCEPTED

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

correct output
929574601

user output
929574601

Test 19

Group: 2

Verdict: ACCEPTED

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

correct output
600226043

user output
600226043

Test 20

Group: 2

Verdict: ACCEPTED

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

correct output
198353194

user output
198353194

Test 21

Group: 3

Verdict:

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

correct output
840243733

user output
600226043

Test 22

Group: 3

Verdict:

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

correct output
4146290

user output
600226043

Test 23

Group: 3

Verdict:

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

correct output
173518884

user output
600226043

Test 24

Group: 3

Verdict:

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

correct output
20044800

user output
600226043

Test 25

Group: 3

Verdict:

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

correct output
2

user output
600226043

Test 26

Group: 3

Verdict:

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

correct output
121064146

user output
198353194

Test 27

Group: 3

Verdict:

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

correct output
848435259

user output
198353194

Test 28

Group: 3

Verdict:

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

correct output
296240911

user output
198353194

Test 29

Group: 3

Verdict:

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

correct output
2196

user output
198353194

Test 30

Group: 3

Verdict:

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

correct output
1

user output
198353194