CSES - Datatähti 2019 alku - Results
Submission details
Task:Ruudukko
Sender:Kameli
Submission time:2018-10-04 20:28:41 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#2ACCEPTED0.02 s1details
#3ACCEPTED0.02 s1details
#4ACCEPTED0.02 s1details
#50.02 s1details
#6ACCEPTED0.01 s1details
#70.03 s1details
#80.02 s1details
#90.02 s1details
#10ACCEPTED0.02 s1details
#11--2details
#12--2details
#13--2details
#14--2details
#15--2details
#160.31 s2details
#170.31 s2details
#180.29 s2details
#190.30 s2details
#200.30 s2details
#21--3details
#220.04 s3details
#23--3details
#240.03 s3details
#250.02 s3details
#260.04 s3details
#27--3details
#28--3details
#290.03 s3details
#300.04 s3details

Code

#include <iostream>
#include <unordered_map>
using namespace std;
long n;
long total=0;
char c;
int get(int *ruudukko, int y, int x){
return ruudukko[y*n+x];
}
void set(int *ruudukko, int y, int x, int value){
ruudukko[y*n+x]=value;
}
void haku(int *old_ruudukko, bool *old_Arows, bool *old_Brows, bool *old_Acols, bool *old_Bcols, int Ay, int By){
///cout<<Ay<<" "<<By<<"\n";
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
// cout<<old_ruudukko[i*n+j];
}
// cout<<"\n";
}
if(Ay==n && By==n){
//cout<<"\n";
total+=1;
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
// cout<<get(old_ruudukko,i,j);
}
// cout<<"\n";
}
//cout<<"\n";
return;
}
if(old_Arows[Ay]){
Ay+=1;
}
if(old_Brows[By]){
// By+=1;
}
if(Ay<=By){
if(old_Arows[Ay]){
return;
}
for(int j=0;j<n;j++){
if(!old_Acols[j] and get(old_ruudukko,Ay,j)==0){
bool Arows[n];
bool Acols[n];
for(int i=0;i<n;i++){
Arows[i]=old_Arows[i];
Acols[i]=old_Acols[i];
}
int ruudukko[n*n];
for(int i=0;i<n*n;i++){
ruudukko[i]=old_ruudukko[i];
}
// cout<<"found:\n";
for(int i=0;i<n;i++){
//cout<<old_Acols[i];
}
//cout<<"\n";
set(ruudukko,Ay,j,1);
Arows[Ay]=true;
Acols[j]=true;
haku(ruudukko,Arows,old_Brows,Acols,old_Bcols,Ay+1,By);
//cout<<"fits "<<Ay<<j<<"\n";
}
}
return;
}
else{
for(int j=0;j<n;j++){
if(!old_Bcols[j] and get(old_ruudukko,By,j)==0){
bool Brows[n];
bool Bcols[n];
for(int i=0;i<n;i++){
Brows[i]=old_Brows[i];
Bcols[i]=old_Bcols[i];
}
int ruudukko[n*n];
for(int i=0;i<n*n;i++){
ruudukko[i]=old_ruudukko[i];
}
set(ruudukko,By,j,2);
Brows[By]=true;
Bcols[j]=true;
haku(ruudukko,old_Arows,Brows,old_Acols,Bcols,Ay,By+1);
//cout<<"b fits"<<By<<j<<"\n";
}
}
return;
}
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin>>n;
if(n<2){
cout<<0<<"\n";
exit(0);
}
int ruudukko[n*n];
for(int i=0;i<n;i++){
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
cin>>c;
if(c=='.'){
set(ruudukko,i,j,0);
}
else if(c=='A'){
set(ruudukko,i,j,1);
}
else{
set(ruudukko,i,j,2);
}
}
}
for(int i=0; i<n;i++){
for(int j=0; j<n;j++){
//cout<<get(ruudukko,i,j);
}
//cout<<"\n";
}
//cout<<"\n";
bool Arows[n];
bool Brows[n];
bool Acols[n];
bool Bcols[n];
for(int i=0;i<n;i++){
Arows[i]=false;
Brows[i]=false;
Acols[i]=false;
Bcols[i]=false;
for(int j=0;j<n;j++){
if(get(ruudukko,i,j)==1){
Arows[i]=true;
}
if(get(ruudukko,i,j)==2){
Brows[i]=true;
}
if(get(ruudukko,j,i)==1){
Acols[i]=true;
}
if(get(ruudukko,j,i)==2){
Bcols[i]=true;
}
}
}
for(int i=0;i<n;i++){
///cout<<Arows[i]<<"\n";
}
//cout<<"\n";
for(int i=0;i<n;i++){
//cout<<Acols[i];
}
int firstAy=n;
int firstBy=n;
for(int i=0;i<n;i++){
if(!Arows[i]){
firstAy=i;
break;
}
}
for(int i=0;i<n;i++){
if(!Brows[i]){
firstBy=i;
break;
}
}
if(firstBy==n and firstAy==n){
exit(0);
}
haku(ruudukko,Arows,Brows,Acols,Bcols,firstAy,firstBy);
cout<<total<<"\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:

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

correct output
216

user output
0

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
0

Test 8

Group: 1

Verdict:

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

correct output
22

user output
0

Test 9

Group: 1

Verdict:

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

correct output
2

user output
0

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
0

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
0

Test 25

Group: 3

Verdict:

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

correct output
2

user output
0

Test 26

Group: 3

Verdict:

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

correct output
121064146

user output
0

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
0

Test 30

Group: 3

Verdict:

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

correct output
1

user output
0