CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:fergusq
Submission time:2015-10-03 11:19:44
Language:Java
Status:READY
Result:14
Feedback
groupverdictscore
#1ACCEPTED14
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.17 s1details
#2ACCEPTED0.18 s1details
#3ACCEPTED0.17 s1details
#4ACCEPTED0.19 s1details
#5ACCEPTED0.17 s1details
#6--2details
#7--2details
#8--2details
#9--2details
#10--2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

import java.util.*;
public class Puut {
	public static void main(String[] args) {
		IO io = new IO();
	
		int n, m, x;
		n = io.nextInt();
		m = io.nextInt();
		x = io.nextInt();
		
		int a = 0;
		
		long k[][][] = new long[n+1][m+1][4];
		for (int i = 1; i <= n; i++) {
			char[] r = io.next().toCharArray();
			for (int j = 1; j <= m; j++) {
				k[i][j][0] = k[i][j][1] = r[j-1] == '*' ? (long)1 : (long)0;
				if (k[i][j][0] == x) a++;
			}
		}
		
		for (int s = 2; s <= Math.min(n,m); s++) {
			for (int X = 1; X <= m; X++) {
				for (int Y = 1; Y <= n; Y++) {
					int nyk = 1+(s+2)%3;
					int ed = 1+(s+1)%3;
					int ed2 = 1+(s+0)%3;
					k[Y][X][nyk] = 0;
					if (X >= s && Y >= s) {
						k[Y][X][nyk] = k[Y][X][0];
						long t = s > 2 ? k[Y-1][X-1][ed2] : 0;
						long z = k[Y-s+1][X-s+1][0];
						long p = k[Y-1][X][ed];
						long q = k[Y][X-1][ed];
						
						//io.println("(" + X + ", " + Y + "; " + nyk + ", " + ed + ")[" + s + "] = " +
						//	k[Y][X][nyk] + " + " + p + " + " + q + " - " + t + " + " + z + " = " +
						//	(k[Y][X][nyk]+p+q-t+z));
						k[Y][X][nyk] += p + q - t + z;
					}
					if (k[Y][X][nyk] == x) {
						a++;
					}
				}
			}
		}
		
		io.println(a);
		
		io.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)