CSES - Datatähti 2018 alku - Results
Submission details
Task:Kyselyt
Sender:AirPett
Submission time:2017-10-07 00:29:58 +0300
Language:Java
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#30
Test results
testverdicttimegroup
#1ACCEPTED0.24 s1details
#2ACCEPTED0.47 s2details
#3--3details

Code

import java.util.Scanner;
import java.math.BigInteger;
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int num = Integer.parseInt(input.nextLine());
        BigInteger[] kyselyt = new BigInteger[num];
        BigInteger biggest = BigInteger.ZERO;

        for (int i = 0; i < num; i++) {
            kyselyt[i] = new BigInteger(input.nextLine());
            if (kyselyt[i].compareTo(biggest) == 1) {
                biggest = kyselyt[i];
            }
        }

        StringBuilder sb = new StringBuilder();
        BigInteger last = BigInteger.ONE;

        while (BigInteger.valueOf(sb.length()).compareTo(biggest) == -1) {
            sb.append(last);
            last = last.add(BigInteger.ONE);
        }

        String numbers = sb.toString();

        for (BigInteger kysely : kyselyt) {
            System.out.println(numbers.charAt(kysely.intValue() - 1));
        }
    }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1000
582
214
723
273
...

correct output
0
1
7
7
6
...

user output
0
1
7
7
6
...

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
615664
916441
627600
279508
...

correct output
1
2
3
2
2
...

user output
1
2
3
2
2
...

Test 3

Group: 3

Verdict:

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
(empty)