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Datatähti 2016 alku

Start:2015-09-28 00:00:00
End:2015-10-12 00:00:00
 

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CSES - Datatähti 2016 alku - Results
History
2015-10-10 23:10:410
2015-10-10 23:08:160
2015-10-04 13:58:2247
2015-09-28 20:53:3414
Task:Tontti
Sender:@.+-_
Submission time:2015-10-10 23:08:16
Language:Java
Status:READY
Score:0

Feedback

groupverdictscore
#1WRONG ANSWER0
#2WRONG ANSWER0
#3TIME LIMIT EXCEEDED0

Test results

testverdicttime (s)group
#1WRONG ANSWER0.17 / 1.001details
#2ACCEPTED0.17 / 1.001details
#3WRONG ANSWER0.18 / 1.001details
#4WRONG ANSWER0.17 / 1.001details
#5ACCEPTED0.17 / 1.001details
#6ACCEPTED0.52 / 1.002details
#7WRONG ANSWER0.25 / 1.002details
#8WRONG ANSWER0.23 / 1.002details
#9WRONG ANSWER0.24 / 1.002details
#10WRONG ANSWER0.23 / 1.002details
#11TIME LIMIT EXCEEDED-- / 1.003details
#12WRONG ANSWER0.34 / 1.003details
#13WRONG ANSWER0.31 / 1.003details
#14WRONG ANSWER0.35 / 1.003details
#15WRONG ANSWER0.34 / 1.003details

Code

public class Tonts2 {
	static int width, height, treesWanted;
	static char[][] chr;
	
	static int[][] arr;
	
	public static void main(String[] args) {
		IO oi = new IO();
		
		height = oi.nextInt();
		width = oi.nextInt();
		treesWanted = oi.nextInt();
		
		chr = new char[height][];
		arr = new int[height][];
		
		int[][] tmparr = new int[height][];
		
		for(int i = 0; i < height; i++) {
			chr[i] = oi.next().toCharArray();
			
			arr[i] = new int[width];
			tmparr[i] = new int[width];
		}
		
		int minScope = (int) Math.ceil(Math.sqrt(treesWanted)),
				maxScope = height < width ? height : width;
		
		for(int y = 0; y < height; y++) {
			tmparr[y][0] = chr[y][0] == '*' ? 1 : 0;
			arr[y][0] = tmparr[y][0];
			
			for(int x = 1; x < width; x++) {
				tmparr[y][x] = tmparr[y][x-1] + (chr[y][x] == '*' ? 1 : 0);
				arr[y][x] += tmparr[y][x] + (y > 0 ? arr[y-1][x] : 0);
			}	
		}
		
		int valA, val1, val2, val3;
		int result = 0;
		boolean d;
		
		for(int scope = minScope; scope <= maxScope; scope++) {
			d = false;
			
			for(int y = 0; y <= height - scope; y++) {
				for(int x = 0; x <= width - scope; x++) {
					valA = arr[y+scope-1][x+scope-1];
					val1 = x > 0 && y > 0 ? arr[y-1][x-1] : 0;
					val2 = y > 0 ? arr[y-1][x+scope-1] : 0;
					val3 = x > 0 ? arr[y+scope-1][x-1] : 0;
					
					if(valA - val2 - val3 + val1 == treesWanted) {
						result++;
						d = true;
					}
				}
			}
			
			if(!d) break;
		}
		
		oi.println(result);
		oi.close();
	}
}

Test details

Test 1

Group: 1

Verdict: WRONG ANSWER

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
...
view   save

correct output
94

view   save

user output
90

view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
...
view   save

correct output
0

view   save

user output
0

view   save

Test 3

Group: 1

Verdict: WRONG ANSWER

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
...
view   save

correct output
4

view   save

user output
6

view   save

Test 4

Group: 1

Verdict: WRONG ANSWER

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
...
view   save

correct output
16

view   save

user output
18

view   save

Test 5

Group: 1

Verdict: ACCEPTED

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
...
view   save

correct output
30

view   save

user output
30

view   save

Test 6

Group: 2

Verdict: ACCEPTED

input
500 500 1
.................................
view   save

correct output
9552040

view   save

user output
9552040

view   save

Test 7

Group: 2

Verdict: WRONG ANSWER

input
500 500 5
.................................
view   save

correct output
1536063

view   save

user output
0

view   save

Test 8

Group: 2

Verdict: WRONG ANSWER

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....
view   save

correct output
288

view   save

user output
0

view   save

Test 9

Group: 2

Verdict: WRONG ANSWER

input
500 500 12500
**.**.*..*...*.**...*.***........
view   save

correct output
786

view   save

user output
0

view   save

Test 10

Group: 2

Verdict: WRONG ANSWER

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....
view   save

correct output
1763

view   save

user output
0

view   save

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 1
.................................
view   save

correct output
489611392

view   save

user output
(empty)

Test 12

Group: 3

Verdict: WRONG ANSWER

input
2000 2000 5
.................................
view   save

correct output
120725884

view   save

user output
0

view   save

Test 13

Group: 3

Verdict: WRONG ANSWER

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...
view   save

correct output
1849

view   save

user output
0

view   save

Test 14

Group: 3

Verdict: WRONG ANSWER

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....
view   save

correct output
2665

view   save

user output
0

view   save

Test 15

Group: 3

Verdict: WRONG ANSWER

input
2000 2000 80000
**.**...*.***.**....**.*....*....
view   save

correct output
5587

view   save

user output
0

view   save