CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:Katajisto
Submission time:2018-10-02 09:40:26 +0300
Language:C++
Status:READY
Result:31
Feedback
groupverdictscore
#1ACCEPTED31
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2ACCEPTED0.01 s1details
#3ACCEPTED0.02 s1details
#4ACCEPTED0.01 s1details
#5ACCEPTED0.01 s1details
#6ACCEPTED0.04 s1details
#7ACCEPTED0.02 s1details
#8ACCEPTED0.02 s1details
#9ACCEPTED0.01 s1details
#10ACCEPTED0.03 s1details
#110.02 s2details
#120.01 s2details
#130.01 s2details
#140.02 s2details
#150.01 s2details
#160.01 s2details
#170.02 s2details
#180.02 s2details
#190.02 s2details
#200.02 s2details
#210.01 s3details
#220.02 s3details
#230.01 s3details
#240.01 s3details
#250.01 s3details
#260.02 s3details
#270.02 s3details
#280.02 s3details
#290.02 s3details
#300.02 s3details

Code

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

int n;
long asd = 0;




void b(int y, vector<vector<char>> c,vector<bool> ay, vector<bool> by, vector<bool> ax, vector<bool> bx) {
  if(y >= n) {
    asd++;
    return;
  }
  if(by[y] != true) {
    for(int i = 0; i < n; i++) {
      if(bx[i] == false && c[y][i] == '.') {
	by[y] = true;
	bx[i] = true;
	c[y][i] = 'B';
	b(y+1,c,ay,by,ax,bx);
	c[y][i] = '.';
	by[y] = false;
	bx[i] = false;
      }
    }
  }
  else {
    b(y+1, c, ay, by, ax, bx);
  }
}

void a(int y, vector<vector<char>> c,vector<bool> ay, vector<bool> by, vector<bool> ax, vector<bool> bx) {
  if(y >= n) { b(0,c,ay,by,ax,bx); return; }
  if(ay[y] == false) {
    for(int i = 0; i < n; i++) {
      if(ax[i] == false && c[y][i] == '.') {
	ax[i] = true;
	c[y][i] = 'A';
	a(y+1,c,ay,by,ax,bx);
	c[y][i] = '.';
	ax[i] = false;
      }
    }
  }
  else {
    a(y+1, c, ay, by, ax, bx);
  }
}

int main() {
  vector<vector<char>> c; c.resize(5, vector<char> (5));
  cin >> n;
  vector<bool> ay(5); vector<bool> by(5); vector<bool> ax(5); vector<bool> bx(5);
  for(int i = 0; i < n; i++) {
    for(int j = 0; j < n; j++) {
      cin >> c[i][j]; if(c[i][j] == 'A') { ax[j] = true; ay[i] = true; }
      if(c[i][j] == 'B') { bx[j] = true; by[i] = true; }      
    }
  }
  a(0,c,ay,by,ax,bx);
  cout << asd << "\n";
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
2
..
..

correct output
2

user output
2

Test 2

Group: 1

Verdict: ACCEPTED

input
2
..
A.

correct output
1

user output
1

Test 3

Group: 1

Verdict: ACCEPTED

input
2
B.
.A

correct output
0

user output
0

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: ACCEPTED

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

correct output
264

user output
264

Test 8

Group: 1

Verdict: ACCEPTED

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

correct output
22

user output
22

Test 9

Group: 1

Verdict: ACCEPTED

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

correct output
2

user output
2

Test 10

Group: 1

Verdict: ACCEPTED

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

correct output
1

user output
1

Test 11

Group: 2

Verdict:

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

correct output
306442892

user output
(empty)

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)