CSES - Datatähti 2016 alku - Results
Submission details
Task:Tontti
Sender:Galax
Submission time:2015-10-03 00:14:51 +0300
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.21 s1details
#20.17 s1details
#30.17 s1details
#40.18 s1details
#50.18 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.ArrayList;

public class Main {

    private static int hits;

    public static void main(String[] args) {
        IO io = new IO();
        int height = io.nextInt();
        int width = io.nextInt();
        int trees = io.nextInt();
        hits = 0;

        ArrayList<String> woods = new ArrayList<>();

        for (int i = 0; i < height; i++) {
            woods.add(io.next());
        }
        int smallest = height;
        if (height > width) {
            smallest = width;
        }

        iterateThroughAllSquares(width, height, smallest, woods, trees);

        io.println(hits);
        io.close();
    }

    private static void searchSquare(int startx, int starty, int size, ArrayList<String> woods, int trees) {
        int temphits = 0;
/*        for (int j = starty; j < f1; j++) {
            for (int i = startx; i < f2; i++) {
                System.out.print(woods.get(j).charAt(i));
                if (woods.get(j).charAt(i) == '*') {
                    temphits++;
                }
          }
            System.out.println("");
        }
        System.out.println("------------");
        if (temphits == trees) {
            hits++;
        }
        size--;
        if (temphits >= trees && size*size >= trees) {

        }
        size--;
        if (temphits >= trees && size*size >= trees) {
            for (int i = 0; i <= woods.size()-size-starty; i++) {
                searchSquare(startx, starty+i, size, woods, trees);
            }
        }*/


        int foundTrees = 0;
        for (int i = 1; i <= size; i++) {
            if(foundTrees<=trees) {
                foundTrees = checkSquare(startx,starty,i,woods,trees,foundTrees);
            } else {
                break;
            }
        }
        //skip the check of unrealistically small squares, if needed
    //in this function, the grid starts from 0,0 in the left upper corner
    /*private static void iterate2(int width, int height, int size, ArrayList<String> woods, int trees) {
      /*  int temphits = 0;
        for (int i = height; i <= woods.size()-size; i++) {

        }*/
    }
    private static int checkSquare(int startx, int starty, int size, ArrayList<String> woods, int trees, int foundTrees) {
        for (int i = 0; i < size-1; i++) {
            if (woods.get(size-1+starty).charAt(i)=='*') {
                foundTrees++;
            }
        }
        for (int i = 0; i < size; i++) {
            if (woods.get(i+startx).charAt(size-1)=='*') {
                foundTrees++;
            }
        }
        if (foundTrees==trees) {
            hits++;
        }

        return foundTrees;
    }
    private static void iterateThroughAllSquares(int width, int height, int size, ArrayList<String> woods, int trees) {
        int tmp = 0;
        int usl = (int) Math.floor(Math.sqrt(trees)) - 1;
        if (usl < 0) {
            usl = 0;
        }
        for (int i = 0; i < width-usl; i++) {
            for (int j = 0; j < height-usl; j++) {
                if (width<height) {
                    tmp = size - i;
                } else {
                    tmp = size - j;
                }
                searchSquare(i,j,tmp,woods,trees);
                System.out.println(j);
            }
        }





        /*for (int i = 0; i <= width - size; i++) {
            for (int j = 0; j <= height - size; j++) {
                int temphits = searchSquare(i, j, size, woods, trees);
                if (height < width) {
                    iterate2(i,0,size-1,woods,trees);
                }
            }
        }*/

        //if higher than wider: diff function. Iterate through only the top or left side of the square and only if there
        //are enough potential trees

        // no need for if??, just stick them in different parts of the for loop


        /*size--;
        if (Math.pow(size, 2) >= trees) {
            iterateThroughAllSquares(width, height, size, woods, trees);
        }*/
    }


}

Test details

Test 1

Group: 1

Verdict:

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

correct output
94

user output
0
1
2
3
4
...

Error:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at Main.checkSquare(Main.java:81)
	at Main.searchSquare(Main.java:61)
	at Main.iterateThroughAllSquares(Main.java:104)
	at Main.main(Main.java:25)

Test 2

Group: 1

Verdict:

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

correct output
0

user output
0
1
2
3
4
...

Error:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at Main.checkSquare(Main.java:81)
	at Main.searchSquare(Main.java:61)
	at Main.iterateThroughAllSquares(Main.java:104)
	at Main.main(Main.java:25)

Test 3

Group: 1

Verdict:

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

correct output
4

user output
0
1
2
3
4
...

Error:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at Main.checkSquare(Main.java:81)
	at Main.searchSquare(Main.java:61)
	at Main.iterateThroughAllSquares(Main.java:104)
	at Main.main(Main.java:25)

Test 4

Group: 1

Verdict:

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

correct output
16

user output
0
1
2
3
4
...

Error:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at Main.checkSquare(Main.java:81)
	at Main.searchSquare(Main.java:61)
	at Main.iterateThroughAllSquares(Main.java:104)
	at Main.main(Main.java:25)

Test 5

Group: 1

Verdict:

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

correct output
30

user output
0
1
2
3
4
...

Error:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at Main.checkSquare(Main.java:81)
	at Main.searchSquare(Main.java:61)
	at Main.iterateThroughAllSquares(Main.java:104)
	at Main.main(Main.java:25)

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)