CSES - Datatähti 2023 alku - Results
Submission details
Task:Kertoma
Sender:adex720
Submission time:2022-11-13 14:18:53 +0200
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.12 s1, 2, 3details
#2ACCEPTED0.12 s1, 2, 3details
#3ACCEPTED0.12 s1, 2, 3details
#4ACCEPTED0.13 s1, 2, 3details
#50.16 s1, 2, 3details
#6ACCEPTED0.17 s1, 2, 3details
#7ACCEPTED0.34 s2, 3details
#8ACCEPTED0.34 s2, 3details
#9ACCEPTED0.36 s2, 3details
#10ACCEPTED0.37 s2, 3details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details
#16--3details

Code

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
import java.util.Scanner;

public class Kertoma {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        //Scanner scanner = new Scanner(new File("maarat.txt"));
        String[] numerotString = scanner.nextLine().split(" ");
        int[] numerot = new int[10];
        int yhteensa = 0;

        for (int i = 0; i < 10; i++) {
            numerot[i] = Integer.parseInt(numerotString[i]);
            yhteensa += numerot[i];
        }

        if (yhteensa <= 6) {
            System.out.print(pienempiKuin10(numerot));
            return;
        }

        int maara = BigInteger.TEN.pow(yhteensa).bitLength();

        int min = 10;
        int max = Math.min(1000000, yhteensa);
        int tarkistus;

        int veikkaus = 0;
        int tarkkuus = Integer.MAX_VALUE;

        while (true) {
            if (max - min <= 1) {
                if (max == min) {
                    veikkaus = max;
                    break;
                }

                int minArvio = arvioPituus(min);
                int maxArvio = arvioPituus(max);

                int minEro = Math.abs(maara - minArvio);
                int maxEro = Math.abs(maara - maxArvio);

                veikkaus = minEro < maxEro ? min : max;
                break;
            }

            tarkistus = (int) ((min + max) * 0.5f);
            //System.out.println(tarkistus);

            int arvio = arvioPituus(tarkistus);
            int etaisyys = Math.abs(maara - arvio);

            if (etaisyys < tarkkuus) {
                veikkaus = arvio;
                tarkkuus = etaisyys;

                if (etaisyys == 0) break;
            }

            if (arvio < maara) {
                min = tarkistus;
            } else {
                max = tarkistus;
            }

        }

        System.out.print(veikkaus);

    }

    public static final BigDecimal E = new BigDecimal("2.7182818284590452353602874713526624977572471");

    public static int arvioPituus(int luku) {
        BigDecimal decimal = new BigDecimal(luku);
        BigDecimal kanta = decimal.divide(E, 100, RoundingMode.HALF_UP);
        BigDecimal potenssi = kanta.pow(luku);

        double kerroin = Math.sqrt(2 * Math.PI * luku);
        BigDecimal tulos = potenssi.multiply(BigDecimal.valueOf(kerroin));

        return tulos.toBigInteger().bitLength();
    }

    public static int pienempiKuin10(int[] numerot) {
        if (numerot[2] == 1) { // 2 4 5 6 8 9

            if (numerot[0] == 1) { // 5 6 9
                if (numerot[1] == 1)
                    return 5;
                if (numerot[7] == 1)
                    return 6;
                return 9;
            } else { // 2 4 8
                if (numerot[4] == 0)
                    return 2;
                if (numerot[0] == 0)
                    return 4;
                return 8;
            }

        } else { // 1 3 7
            if (numerot[1] == 1)
                return 1;
            if (numerot[6] == 1)
                return 3;
            return 7;
        }
    }

}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
0 0 1 0 0 0 0 0 0 0

correct output
2

user output
2

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
0 0 0 0 0 0 1 0 0 0

correct output
3

user output
3

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
0 0 1 0 1 0 0 0 0 0

correct output
4

user output
4

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 0 1 1 0 0 1 0 2 0

correct output
10

user output
10

Test 5

Group: 1, 2, 3

Verdict:

input
9 3 1 1 2 2 3 1 6 1

correct output
27

user output
28

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 4 3 4 3 2 2 4 3 7

correct output
36

user output
36

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
71 53 36 30 25 29 42 24 34 29

correct output
199

user output
199

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
71 33 46 38 27 45 36 21 35 35

correct output
205

user output
205

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
93 38 35 26 43 54 38 25 41 34

correct output
222

user output
222

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
100 33 33 45 36 43 38 54 56 36

correct output
242

user output
242

Test 11

Group: 3

Verdict:

input
3419 1797 1845 1849 1879 1791 ...

correct output
5959

user output
(empty)

Test 12

Group: 3

Verdict:

input
4776 2695 2709 2781 2616 2753 ...

correct output
8391

user output
(empty)

Test 13

Group: 3

Verdict:

input
20097 12282 12229 12214 12406 ...

correct output
32001

user output
(empty)

Test 14

Group: 3

Verdict:

input
47934 29918 29878 29713 29984 ...

correct output
71718

user output
(empty)

Test 15

Group: 3

Verdict:

input
84691 54156 54277 54533 54296 ...

correct output
123123

user output
(empty)

Test 16

Group: 3

Verdict:

input
99098 63339 63878 64182 63904 ...

correct output
142663

user output
(empty)