CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:Zacchon
Submission time:2015-10-10 15:31:24
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.20 s1details
#2ACCEPTED0.17 s1details
#30.17 s1details
#40.17 s1details
#50.18 s1details
#6--2details
#7--2details
#8--2details
#9--2details
#10--2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

public class Tontti {
    public static void main(String[] args) {
        IO io = new IO();
        
        int n = io.nextInt();
        int m = io.nextInt();
        int x = io.nextInt();
        
        boolean[][] in = new boolean[n][m];
        int out = 0;
        
        int tr = 0;
        for (int i=0; i<n; i++) {
            String s = io.next();
            for (int j=0; j<m; j++) {
                if (s.charAt(j) == '.') {
                    in[i][j] = false;
                } else {
                    in[i][j] = true;
                    tr++;
                }
            }
        }
        
        int sMin = Math.max(1,(int)Math.ceil(Math.sqrt(x)));
        for (int i=0; i <= n-sMin; i++) {
            for (int j=0; j <= m-sMin; j++) {
                for (int s = sMin; s < n-i && s <= m-j; s++) {
                    if (treeCount(in, i, j, s) == x) {
                        out++;
                    } else if (treeCount(in, i, j, s) > x) {
                        break;
                    }
                }
            }
        }
        
        io.println(out);
        
        io.close();
    }
    
    private static int treeCount(boolean[][] t, int x, int y, int s) {
        int count = 0;
        for (int i=x; i<x+s; i++) {
            for (int j=y; j<y+s; j++) {
                if (t[i][j]) count++;
            }
        }
        return count;
    }
    
}

Test details

Test 1

Group: 1

Verdict:

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
...

correct output
94

user output
80

Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
...

correct output
0

user output
0

Test 3

Group: 1

Verdict:

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
...

correct output
4

user output
3

Test 4

Group: 1

Verdict:

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
...

correct output
16

user output
15

Test 5

Group: 1

Verdict:

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
...

correct output
30

user output
26

Test 6

Group: 2

Verdict:

input
500 500 1
.................................

correct output
9552040

user output
(empty)

Test 7

Group: 2

Verdict:

input
500 500 5
.................................

correct output
1536063

user output
(empty)

Test 8

Group: 2

Verdict:

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....

correct output
288

user output
(empty)

Test 9

Group: 2

Verdict:

input
500 500 12500
**.**.*..*...*.**...*.***........

correct output
786

user output
(empty)

Test 10

Group: 2

Verdict:

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....

correct output
1763

user output
(empty)

Test 11

Group: 3

Verdict:

input
2000 2000 1
.................................

correct output
489611392

user output
(empty)

Test 12

Group: 3

Verdict:

input
2000 2000 5
.................................

correct output
120725884

user output
(empty)

Test 13

Group: 3

Verdict:

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...

correct output
1849

user output
(empty)

Test 14

Group: 3

Verdict:

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....

correct output
2665

user output
(empty)

Test 15

Group: 3

Verdict:

input
2000 2000 80000
**.**...*.***.**....**.*....*....

correct output
5587

user output
(empty)