CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:jarvenp
Submission time:2018-10-02 20:50:44 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#20.02 s1details
#30.02 s1details
#4ACCEPTED0.01 s1details
#5ACCEPTED0.02 s1details
#60.02 s1details
#70.01 s1details
#80.02 s1details
#90.01 s1details
#100.01 s1details
#110.01 s2details
#12--2details
#13--2details
#14--2details
#15--2details
#16--2details
#17--2details
#18--2details
#19--2details
#20--2details
#21--3details
#22--3details
#23--3details
#24--3details
#25--3details
#26--3details
#27--3details
#28--3details
#29--3details
#30--3details

Code

#include <bits/stdc++.h>
#include <stdint.h>
using namespace std;

const uint64_t M = 1e9+7;
uint64_t sum(uint32_t amount, uint32_t size){
  if(amount == 1){
    return size;
  }
  uint64_t ans = 0;
  uint32_t temp = size-1;
  while(amount-1 <= temp){
    ans += sum(amount-1, temp);
    temp--;
  }
  return ans;
}

uint64_t fact(uint32_t val){
  uint64_t ans=1;
  for(uint32_t i=1; i<=val; i++){
    ans *= i;
    ans %=M;
  }
  return ans;
}

int main(){
  uint32_t n;
  cin >> n;
  for(uint32_t i=0; i<n; i++){
    char a[n];
    cin >> a;
  }
  uint64_t ans = (fact(n-1)-1)*(sum(1,n))%M;
  for(uint32_t i=2; i<(n-1); i++){
    uint64_t temp = ((fact(n-i)-1)*sum(i,n))%M;
    if(temp > ans){
      ans += M;
    }
    ans-= temp;
  }
  ans+= 1;
  ans = ((fact(n)-ans)*fact(n))%M;
  cout << ans<<"\n";
}

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:

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

correct output
5280

user output
7680

Test 7

Group: 1

Verdict:

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

correct output
264

user output
7680

Test 8

Group: 1

Verdict:

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

correct output
22

user output
7680

Test 9

Group: 1

Verdict:

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

correct output
2

user output
7680

Test 10

Group: 1

Verdict:

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

correct output
1

user output
7680

Test 11

Group: 2

Verdict:

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

correct output
306442892

user output
827447422

Test 12

Group: 2

Verdict:

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

correct output
694861480

user output
(empty)

Test 13

Group: 2

Verdict:

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

correct output
555319110

user output
(empty)

Test 14

Group: 2

Verdict:

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

correct output
108372237

user output
(empty)

Test 15

Group: 2

Verdict:

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

correct output
259107857

user output
(empty)

Test 16

Group: 2

Verdict:

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

correct output
19906314

user output
(empty)

Test 17

Group: 2

Verdict:

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

correct output
224313667

user output
(empty)

Test 18

Group: 2

Verdict:

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

correct output
929574601

user output
(empty)

Test 19

Group: 2

Verdict:

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

correct output
600226043

user output
(empty)

Test 20

Group: 2

Verdict:

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

correct output
198353194

user output
(empty)

Test 21

Group: 3

Verdict:

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

correct output
840243733

user output
(empty)

Test 22

Group: 3

Verdict:

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

correct output
4146290

user output
(empty)

Test 23

Group: 3

Verdict:

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

correct output
173518884

user output
(empty)

Test 24

Group: 3

Verdict:

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

correct output
20044800

user output
(empty)

Test 25

Group: 3

Verdict:

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

correct output
2

user output
(empty)

Test 26

Group: 3

Verdict:

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

correct output
121064146

user output
(empty)

Test 27

Group: 3

Verdict:

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

correct output
848435259

user output
(empty)

Test 28

Group: 3

Verdict:

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

correct output
296240911

user output
(empty)

Test 29

Group: 3

Verdict:

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

correct output
2196

user output
(empty)

Test 30

Group: 3

Verdict:

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

correct output
1

user output
(empty)