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Datatähti 2016 alku

Tontti

  • Start: 2015-09-28 00:00:00
  • End: 2015-10-12 00:00:00
Submission details
Task:Tontti
Sender:kalh
Submission time:2015-09-28 17:44:22 +0300
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.21 s1details
#20.19 s1details
#30.20 s1details
#40.20 s1details
#50.19 s1details
#60.20 s2details
#70.20 s2details
#80.19 s2details
#90.21 s2details
#100.20 s2details
#110.20 s3details
#120.20 s3details
#130.20 s3details
#140.20 s3details
#150.20 s3details

Code

import java.util.*;
import java.math.*;

public class Tehtava3 {
	
	public static class Puu {
		int x;
		int y;
		
		public Puu(int _x, int _y) {
			x = _x;
			y = _y;
		}
	}
	
	public static void laskeTavat(int korkeus, int leveys, String[] metsa, int puita) {
		
		int tulos = 0;
		
		int pieninKoko = (int)Math.ceil(Math.sqrt(puita));
		int maksimiKoko = Math.min(korkeus, leveys);
		ArrayList<Puu> puut = new ArrayList<Puu>();
		
		for (int i = 0; i<leveys; i++) {
			
			for (int j = 0; j<korkeus; j++) {
				
				if (metsa[j].charAt(i) == '*') {
					Puu p = new Puu(i, j);
					puut.add(p);
				}
				
			}
			
		}
		
		
		int maara = 0;
		
		for (int i = pieninKoko; i<maksimiKoko; i++) {
			
			for (int j = 0; j<leveys; j++) {
				
				for (int k = 0; k<korkeus; k++) {
					
					if (oikeaMaaraPuita(j, k, i, puita, puut)) {
						//System.out.println("levyeys: " + j +", korkeus: " + k + ", koko: " + i);
						maara++;
					}
					
				}
				
			}
		}
		
		System.out.println(maara);
		
	}
	
	public static boolean oikeaMaaraPuita(int alkux, int alkuy, int koko, int puita, ArrayList<Puu> puut) {
		
		int maara = 0;
		for (Puu puu : puut) {
			if (puu.x >= alkux && puu.x < alkux+koko && puu.y >= alkuy && puu.y < alkuy+koko) {
				maara++;
				//System.out.println(puu.y + ":" + puu.x);
			}
		}
		
		
		return (maara == puita);
	}
	
	public static String[] luoSatunnainen(int leveys, int korkeus) {
		StringBuilder sb;
		String[] metsa = new String[korkeus];
		Random r = new Random();
		for (int i = 0; i<korkeus; i++) {
			sb = new StringBuilder();
			for (int j = 0; j<leveys; j++) {
				int a = r.nextInt(4);
				if (a == 2)
					sb.append('*');
				else
					sb.append('.');
				
			}
			
			metsa[i] = sb.toString();
		}
		
		return metsa;
	}

	public static void main(String[] args) {
		
		
		//IO io = new IO();
		//int korkeus = io.nextInt();
		//int leveys = io.nextInt();
		//int puita = io.nextInt();
		
		Scanner s = new Scanner(System.in);
		int korkeus = s.nextInt();
		int leveys = s.nextInt();
		int puita = s.nextInt();
			
		
		
		String[] metsa = new String[korkeus];
		
		//for (int i = 0; i<korkeus; i++) {
		//	metsa[i] = s.nextLine();
		//}
		
	
	//metsa[0] = "..**..";
	//metsa[1] = "**....";
	//metsa[2] = "*...*.";
	//metsa[3] = "..*...";
		
	//metsa = luoSatunnainen(leveys, korkeus);
		
		laskeTavat(korkeus, leveys, metsa, puita);

	}

}

Test details

Test 1

Group: 1

Verdict:

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

correct output
94
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 2

Group: 1

Verdict:

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

correct output
0
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 3

Group: 1

Verdict:

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

correct output
4
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 4

Group: 1

Verdict:

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

correct output
16
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 5

Group: 1

Verdict:

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

correct output
30
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 6

Group: 2

Verdict:

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

correct output
9552040
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 7

Group: 2

Verdict:

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

correct output
1536063
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 8

Group: 2

Verdict:

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

correct output
288
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 9

Group: 2

Verdict:

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

correct output
786
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 10

Group: 2

Verdict:

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

correct output
1763
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 11

Group: 3

Verdict:

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

correct output
489611392
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 12

Group: 3

Verdict:

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

correct output
120725884
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 13

Group: 3

Verdict:

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

correct output
1849
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 14

Group: 3

Verdict:

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

correct output
2665
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Test 15

Group: 3

Verdict:

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

correct output
5587
view save

user output
(empty)

Error:
Exception in thread "main" java.lang.NullPointerException
	at Tehtava3.laskeTavat(Tehtava3.java:28)
	at Tehtava3.main(Tehtava3.java:124)

Tasks

A Osajono-B Kirjat-C Tontti-D Lennot-E Bittipeli-

Submissions (kalh)

2015-10-11 22:04:29 472015-10-11 22:00:47 142015-10-11 21:59:16 472015-10-11 21:58:21 472015-10-11 21:55:13 472015-10-11 21:43:17 472015-10-10 20:58:31 472015-10-08 15:00:06 332015-10-03 14:59:18 472015-10-03 14:58:49 02015-10-02 12:47:59 02015-10-02 12:10:59 472015-10-02 12:10:24 02015-10-02 12:09:55 02015-10-02 12:09:26 142015-10-02 12:08:20 142015-10-02 12:07:07 02015-10-02 12:06:23 02015-10-01 21:44:46 472015-10-01 21:07:21 472015-10-01 20:37:26 472015-10-01 20:25:24 472015-10-01 20:04:28 472015-10-01 20:02:13 472015-10-01 19:58:58 02015-10-01 18:32:46 472015-10-01 17:39:10 472015-10-01 17:02:10 02015-10-01 17:00:21 02015-10-01 15:08:08 472015-10-01 15:04:45 02015-10-01 15:03:37 02015-10-01 14:51:09 472015-10-01 14:34:59 472015-10-01 14:19:48 02015-09-30 18:23:45 02015-09-30 12:06:24 142015-09-29 19:04:04 02015-09-29 18:40:12 02015-09-29 11:49:14 142015-09-28 18:11:38 02015-09-28 17:47:36 02015-09-28 17:44:22 02015-09-28 17:29:48 02015-09-28 17:23:16 02015-09-28 17:20:39 02015-09-28 17:01:57 02015-09-28 17:01:21