CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:ArktinenKarpalo
Submission time:2018-10-01 16:20:08 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#20.02 s1details
#30.03 s1details
#40.01 s1details
#50.02 s1details
#60.01 s1details
#70.02 s1details
#80.01 s1details
#90.02 s1details
#100.02 s1details
#110.03 s2details
#120.02 s2details
#130.02 s2details
#140.03 s2details
#150.02 s2details
#160.03 s2details
#170.01 s2details
#180.01 s2details
#190.01 s2details
#200.02 s2details
#210.03 s3details
#220.03 s3details
#230.02 s3details
#240.02 s3details
#250.03 s3details
#260.03 s3details
#270.02 s3details
#280.02 s3details
#290.03 s3details
#300.01 s3details

Code

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ld long double
#define N (1<<17)
#define M 1000000007
#define P complex<long long>
#define X real()
#define Y imag()

using namespace std;

int n;
string s;

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n;
	for(int i=0; i<n; i++) {
		cin >> s;
	}
	ll qaq1 = 1;
	ll qaq2 = 1;
	for(int i=2; i<=n; i++) {
		qaq1 *= i;
		qaq1 %= M;
	}
	for(int i=2; i<=n-1; i++) {
		qaq2 *= i;
		qaq2 %= M;
	}
	qaq2 *= n-1;
	qaq2 %= M;
	cout << (qaq2*qaq1)%M;
}

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:

input
3
...
...
...

correct output
12

user output
24

Test 5

Group: 1

Verdict:

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

correct output
216

user output
432

Test 6

Group: 1

Verdict:

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

correct output
5280

user output
11520

Test 7

Group: 1

Verdict:

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

correct output
264

user output
11520

Test 8

Group: 1

Verdict:

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

correct output
22

user output
11520

Test 9

Group: 1

Verdict:

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

correct output
2

user output
11520

Test 10

Group: 1

Verdict:

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

correct output
1

user output
11520

Test 11

Group: 2

Verdict:

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

correct output
306442892

user output
370413043

Test 12

Group: 2

Verdict:

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

correct output
694861480

user output
228996839

Test 13

Group: 2

Verdict:

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

correct output
555319110

user output
991228079

Test 14

Group: 2

Verdict:

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

correct output
108372237

user output
40380375

Test 15

Group: 2

Verdict:

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

correct output
259107857

user output
512003729

Test 16

Group: 2

Verdict:

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

correct output
19906314

user output
404466147

Test 17

Group: 2

Verdict:

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

correct output
224313667

user output
214482600

Test 18

Group: 2

Verdict:

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

correct output
929574601

user output
531899052

Test 19

Group: 2

Verdict:

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

correct output
600226043

user output
530569097

Test 20

Group: 2

Verdict:

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

correct output
198353194

user output
910439074

Test 21

Group: 3

Verdict:

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

correct output
840243733

user output
530569097

Test 22

Group: 3

Verdict:

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

correct output
4146290

user output
530569097

Test 23

Group: 3

Verdict:

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

correct output
173518884

user output
530569097

Test 24

Group: 3

Verdict:

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

correct output
20044800

user output
530569097

Test 25

Group: 3

Verdict:

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

correct output
2

user output
530569097

Test 26

Group: 3

Verdict:

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

correct output
121064146

user output
910439074

Test 27

Group: 3

Verdict:

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

correct output
848435259

user output
910439074

Test 28

Group: 3

Verdict:

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

correct output
296240911

user output
910439074

Test 29

Group: 3

Verdict:

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

correct output
2196

user output
910439074

Test 30

Group: 3

Verdict:

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

correct output
1

user output
910439074