CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:@.+-_
Submission time:2015-09-28 20:53:34
Language:Java
Status:READY
Result:14
Feedback
groupverdictscore
#1ACCEPTED14
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.20 s1details
#2ACCEPTED0.20 s1details
#3ACCEPTED0.19 s1details
#4ACCEPTED0.20 s1details
#5ACCEPTED0.20 s1details
#6--2details
#7--2details
#8--2details
#9--2details
#10--2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

public class Tonts {
	static String[] str;
	
	public static int getTreeCount(int startx, int starty, int scope) {
		int result = 0;
		
		for(int i = starty; i < starty + scope; i++)
			result += str[i].substring(startx, startx + scope).replace(".", "").length();
		
		return result;
	}
	
	public static void main(String[] args) {
		IO oi = new IO();
		
		int height = oi.nextInt(),
				width = oi.nextInt(),
				treesWanted = oi.nextInt();
		
		str = new String[height];
		for(int i = 0; i < height; i++) str[i] = oi.next();
		
		int minScope = (int) Math.ceil(Math.sqrt(treesWanted)),
				maxScope = height < width ? height : width;
		
		int result = 0;
		
		for(int scope = minScope; scope <= maxScope; scope++) {
			for(int x = 0; x <= width - scope; x++) {
				for(int y = 0; y <= height - scope; y++) {
					if(getTreeCount(x, y, scope) == treesWanted) result++;
				}
			}
		}
		
		oi.println(result);
		
		oi.close();
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

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

correct output
94

user output
94

Test 2

Group: 1

Verdict: ACCEPTED

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

correct output
0

user output
0

Test 3

Group: 1

Verdict: ACCEPTED

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

correct output
4

user output
4

Test 4

Group: 1

Verdict: ACCEPTED

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

correct output
16

user output
16

Test 5

Group: 1

Verdict: ACCEPTED

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

correct output
30

user output
30

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)