CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:AtskaFin
Submission time:2020-09-06 10:40:15 +0300
Language:C++11
Status:READY
Result:46
Feedback
groupverdictscore
#1ACCEPTED16
#2ACCEPTED30
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3details
#2ACCEPTED0.04 s1, 2, 3details
#3ACCEPTED0.04 s1, 2, 3details
#4ACCEPTED0.04 s1, 2, 3details
#5ACCEPTED0.04 s1, 2, 3details
#6ACCEPTED0.04 s1, 2, 3details
#7ACCEPTED0.05 s2, 3details
#8ACCEPTED0.16 s2, 3details
#9ACCEPTED0.21 s2, 3details
#10ACCEPTED0.20 s2, 3details
#11ACCEPTED0.15 s2, 3details
#12ACCEPTED0.05 s2, 3details
#13ACCEPTED0.29 s3details
#14--3details
#15--3details
#16--3details
#17--3details
#18ACCEPTED0.29 s3details

Code

#include <iostream>
#include <vector>
#include <unordered_set>
 
using namespace std;
 
string board[1000];
unordered_set<int> test[1000][1000];
int n;
unordered_set<int> s;
 
void search(int x, int y, int coins) {
  if (test[x][y].count(coins) == 1) {
    return;
  } else {
    test[x][y].insert(coins);
  }
 
  if (board[x][y] == 'o') {
    coins++;
  }
 
  if (x == n - 1 && y == n - 1) {
    s.insert(coins);
    return;
  }
 
  if (x < n-1) search(x+1, y, coins);
  if (y < n-1) search(x, y+1, coins);
}
 
int main() {
  cin >> n;
 
  for (int i = 0; i < n; i++) {
    cin >> board[i];
  }
 
  search(0, 0, 0);
 
  cout << s.size() << "\n";
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
o.o.......
..........
.o...o.oo.
..o...o.oo
...

correct output
9

user output
9

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
o......o..
oo.oo.....
oooo....oo
o.......oo
...

correct output
14

user output
14

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
..ooooo.oo
.ooo.o..oo
.....ooo.o
ooo.ooo.oo
...

correct output
12

user output
12

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
oooooooooo
ooo....ooo
.oo.oo.ooo
oooooooooo
...

correct output
10

user output
10

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
oooooooooo
oooooooooo
oooooooooo
oooooooooo
...

correct output
1

user output
1

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
100
.................................

correct output
1

user output
1

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
100
.........o.....o.........o..o....

correct output
114

user output
114

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
100
oo..oo.oo..o...o..o.o..o.........

correct output
151

user output
151

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
100
o..o.ooo..oo.o.o.o..o.o..o..oo...

correct output
143

user output
143

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
100
oo..oooooooooooo.oooo.o.o.oooo...

correct output
115

user output
115

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
100
oooooooooooooooooooooooooooooo...

correct output
1

user output
1

Test 13

Group: 3

Verdict: ACCEPTED

input
1000
.................................

correct output
1

user output
1

Test 14

Group: 3

Verdict:

input
1000
o..........o...o...o...o.........

correct output
1121

user output
(empty)

Test 15

Group: 3

Verdict:

input
1000
.o.............o....o.o......o...

correct output
1583

user output
(empty)

Test 16

Group: 3

Verdict:

input
1000
oooooo.oooooo.....oooo..o...o....

correct output
1574

user output
(empty)

Test 17

Group: 3

Verdict:

input
1000
ooooo.oo.oooooooooo...o...oo.....

correct output
1147

user output
(empty)

Test 18

Group: 3

Verdict: ACCEPTED

input
1000
oooooooooooooooooooooooooooooo...

correct output
1

user output
1