Bittijono

import java.util.*;

class bittijono
{
 public static int in;
 public static int counter = 0;
 public static String binary = "0";
 public static String binary2 = "0";
 public static int binary1Len = 1;
 public static int binary2Len = 1;
 public static String zeros = "0000000000000000000000000000000000000000000000000000";

 public static void advanceBinary() {
   if(!binary.contains("0")) {
    binary1Len++;
    binary = "-1";
   }
   int binary1Int = Integer.parseInt(binary, 2) + 1;
   binary = zeros.substring(0, binary1Len-Integer.toBinaryString(binary1Int).length()) + Integer.toBinaryString(binary1Int);
 }

 public static void advanceBinary2() {
   if(!binary2.contains("0")) {
    binary2Len++;
    binary2 = "0";
   }
   int binary2Int = Integer.parseInt(binary2, 2) + 1;
   binary2 = zeros.substring(0, binary2Len-Integer.toBinaryString(binary2Int).length()) + Integer.toBinaryString(binary2Int);
 }

 public static boolean contains(String s1, String s2) {
  int count = 0;
  for (int i=0; i<binary1Len && count<binary2Len; i++) {
    if (s1.charAt(count) == s2.charAt(i)) count++;
  }
  return (count == binary2Len); 
 }
 
 public static int substrings() {
   while(binary1Len >= binary2Len) {
    if(contains(binary2, binary)) counter++;
    advanceBinary2();
   }
   binary2 = "0";
   binary2Len = 1;
   return counter;
 }

 public static void main (String[] args) throws java.lang.Exception
 {
  Scanner scanner = new Scanner(System.in);
  in = scanner.nextInt();
  scanner.close();
  while(true) {
    if(substrings() == in) {
      System.out.println(binary);
      break;
    }
    counter = 0;
    advanceBinary();
  }
 }
}

Test 1

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 2

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 3

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 4

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 5

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 6

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 7

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 8

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 9

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 10

Group: 1

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 11

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 12

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 13

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 14

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 15

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 16

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 17

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 18

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 19

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 20

Group: 2

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 21

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 22

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 23

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 24

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 25

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 26

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 27

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 28

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 29

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 30

Group: 3

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 31

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 32

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 33

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 34

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 35

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 36

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 37

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 38

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 39

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10

Test 40

Group: 4

Verdict: RUNTIME ERROR

Error: Could not find or load main class bittijono10