CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:kalh
Submission time:2015-09-29 19:04:04 +0300
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.19 s1details
#20.20 s1details
#30.20 s1details
#40.20 s1details
#50.19 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.*;
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) {
//long t = System.currentTimeMillis();
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<korkeus; i++) {
for (int j = 0; j<leveys; j++) {
//System.out.println(metsa[i].charAt(j));
if (metsa[i].charAt(j) == '*') {
Puu p = new Puu(j, i);
puut.add(p);
}
}
}
//System.out.println("eka: " + (System.currentTimeMillis()-t));
int maara = 0;
for (int j = 0; j<=leveys-pieninKoko; j++) {
for (int k = 0; k<=korkeus-pieninKoko; k++) {
for (int i = pieninKoko; i<=maksimiKoko; i++) {
if (k+i > korkeus || j+i > leveys)
break;
int maaraAlueella = puidenMaara(j, k, i, puut);
if (maaraAlueella == puita) {
//System.out.println("levyeys: " + j +", korkeus: " + k + ", koko: " + i +", puita: " + maaraAlueella);
maara++;
}
else if (maaraAlueella > puita) {
break;
}
}
}
}
//System.out.println("toka: " + (System.currentTimeMillis()-t));
System.out.println(maara);
}
public static int puidenMaara(int alkux, int alkuy, int koko, 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++;
if (alkux == 1 && alkuy== 1 && koko == 2) {
// System.out.println(puu.x + ":" + puu.y);
}
//System.out.println(puu.y + ":" + puu.x);
}
}
return maara;
}
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(9);
if (a <= 1)
sb.append('*');
else
sb.append('.');
}
metsa[i] = sb.toString();
}
return metsa;
}
public static void tulostaMetsa(String[] metsa) {
for (int i = 0; i<metsa.length; i++) {
for (int j = 0; j<metsa[0].length(); j++) {
System.out.print(metsa[i].charAt(j) + " ");
}
System.out.println();
System.out.println("--------------------------------------");
}
}
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);
String[] arvot = new String[3];
int korkeus = 0;
int leveys = 0;
int puita = 0;
arvot = s.nextLine().split("\\s+");
korkeus = Integer.parseInt(arvot[0]);
leveys = Integer.parseInt(arvot[1]);
puita = Integer.parseInt(arvot[2]);
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);
// tulostaMetsa(metsa);
laskeTavat(korkeus, leveys, metsa, puita);
}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

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

correct output
94

user output
94

Test 2

Group: 1

Verdict:

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

correct output
0

user output
21

Test 3

Group: 1

Verdict:

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

correct output
4

user output
5

Test 4

Group: 1

Verdict:

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

correct output
16

user output
18

Test 5

Group: 1

Verdict:

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

correct output
30

user output
37

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)