Statistics

Problem Statement for "InterestingNumber"

Problem Statement

Fox Ciel thinks that the number 41312432 is interesting. This is because of the following property: There is exactly 1 digit between the two 1s, there are exactly 2 digits between the two 2s, and so on.


Formally, Ciel thinks that a number X is interesting if the following property is satisfied: For each D between 0 and 9, inclusive, X either does not contain the digit D at all, or it contains exactly two digits D, and there are precisely D other digits between them.


You are given a String x that contains the digits of a positive integer. Return "Interesting" if that integer is interesting, otherwise return "Not interesting".

Definition

Class:
InterestingNumber
Method:
isInteresting
Parameters:
String
Returns:
String
Method signature:
String isInteresting(String x)
(be sure your method is public)

Constraints

  • x will correspond to an integer between 1 and 1,000,000,000, inclusive.
  • x will not start with a '0'.

Examples

  1. "2002"

    Returns: "Interesting"

    There are 0 digits between the two 0s, and 2 digits between the two 2s, so this is an interesting number.

  2. "1001"

    Returns: "Not interesting"

    There should be 1 digit between the two 1s, but there are 2 digits between them. Hence, this number is not interesting.

  3. "41312432"

    Returns: "Interesting"

    This is the number in the statement.

  4. "611"

    Returns: "Not interesting"

    There is only one digit 6 in this number, so it's not interesting.

  5. "64200246"

    Returns: "Interesting"

  6. "631413164"

    Returns: "Not interesting"

    This number contains the digit 1 three times.

  7. "2002"

    Returns: "Interesting"

  8. "131003"

    Returns: "Interesting"

  9. "231213"

    Returns: "Interesting"

  10. "300131"

    Returns: "Interesting"

  11. "312132"

    Returns: "Interesting"

  12. "420024"

    Returns: "Interesting"

  13. "12132003"

    Returns: "Interesting"

  14. "14130043"

    Returns: "Interesting"

  15. "15120025"

    Returns: "Interesting"

  16. "23121300"

    Returns: "Interesting"

  17. "23421314"

    Returns: "Interesting"

  18. "25121005"

    Returns: "Interesting"

  19. "25320035"

    Returns: "Interesting"

  20. "30023121"

    Returns: "Interesting"

  21. "31213200"

    Returns: "Interesting"

  22. "31413004"

    Returns: "Interesting"

  23. "34003141"

    Returns: "Interesting"

  24. "40031413"

    Returns: "Interesting"

  25. "41312432"

    Returns: "Interesting"

  26. "45001415"

    Returns: "Interesting"

  27. "45121425"

    Returns: "Interesting"

  28. "45300435"

    Returns: "Interesting"

  29. "50012152"

    Returns: "Interesting"

  30. "51410054"

    Returns: "Interesting"

  31. "52002151"

    Returns: "Interesting"

  32. "52412154"

    Returns: "Interesting"

  33. "53002352"

    Returns: "Interesting"

  34. "53400354"

    Returns: "Interesting"

  35. "61310036"

    Returns: "Interesting"

  36. "62312136"

    Returns: "Interesting"

  37. "63001316"

    Returns: "Interesting"

  38. "63121326"

    Returns: "Interesting"

  39. "64200246"

    Returns: "Interesting"

  40. "24754"

    Returns: "Not interesting"

  41. "719"

    Returns: "Not interesting"

  42. "5270508"

    Returns: "Not interesting"

  43. "54"

    Returns: "Not interesting"

  44. "502"

    Returns: "Not interesting"

  45. "300549"

    Returns: "Not interesting"

  46. "90001"

    Returns: "Not interesting"

  47. "36"

    Returns: "Not interesting"

  48. "547465"

    Returns: "Not interesting"

  49. "6"

    Returns: "Not interesting"

  50. "9604"

    Returns: "Not interesting"

  51. "511584"

    Returns: "Not interesting"

  52. "14"

    Returns: "Not interesting"

  53. "776039105"

    Returns: "Not interesting"

  54. "3"

    Returns: "Not interesting"

  55. "3"

    Returns: "Not interesting"

  56. "601005465"

    Returns: "Not interesting"

  57. "7757071"

    Returns: "Not interesting"

  58. "4"

    Returns: "Not interesting"

  59. "949570"

    Returns: "Not interesting"

  60. "5691"

    Returns: "Not interesting"

  61. "6469"

    Returns: "Not interesting"

  62. "9404240"

    Returns: "Not interesting"

  63. "2658034"

    Returns: "Not interesting"

  64. "9719170"

    Returns: "Not interesting"

  65. "624"

    Returns: "Not interesting"

  66. "116963953"

    Returns: "Not interesting"

  67. "41"

    Returns: "Not interesting"

  68. "18"

    Returns: "Not interesting"

  69. "497050"

    Returns: "Not interesting"

  70. "2"

    Returns: "Not interesting"

  71. "485432143"

    Returns: "Not interesting"

  72. "473049189"

    Returns: "Not interesting"

  73. "3"

    Returns: "Not interesting"

  74. "70721540"

    Returns: "Not interesting"

  75. "87880"

    Returns: "Not interesting"

  76. "3104643"

    Returns: "Not interesting"

  77. "71718"

    Returns: "Not interesting"

  78. "339767411"

    Returns: "Not interesting"

  79. "241167520"

    Returns: "Not interesting"

  80. "46"

    Returns: "Not interesting"

  81. "14"

    Returns: "Not interesting"

  82. "58687032"

    Returns: "Not interesting"

  83. "8"

    Returns: "Not interesting"

  84. "676883"

    Returns: "Not interesting"

  85. "608"

    Returns: "Not interesting"

  86. "54"

    Returns: "Not interesting"

  87. "3"

    Returns: "Not interesting"

  88. "8014"

    Returns: "Not interesting"

  89. "798"

    Returns: "Not interesting"

  90. "101"

    Returns: "Not interesting"

  91. "20022002"

    Returns: "Not interesting"

  92. "1111"

    Returns: "Not interesting"

  93. "1"

    Returns: "Not interesting"

  94. "200200"

    Returns: "Not interesting"

  95. "100"

    Returns: "Not interesting"

  96. "3456"

    Returns: "Not interesting"

  97. "2002000"

    Returns: "Not interesting"

  98. "20021"

    Returns: "Not interesting"

  99. "121121"

    Returns: "Not interesting"

  100. "999999999"

    Returns: "Not interesting"

  101. "10100"

    Returns: "Not interesting"

  102. "101101"

    Returns: "Not interesting"

  103. "111"

    Returns: "Not interesting"

  104. "1010"

    Returns: "Not interesting"

  105. "401014"

    Returns: "Not interesting"

  106. "32002"

    Returns: "Not interesting"

  107. "400004"

    Returns: "Not interesting"

  108. "10100000"

    Returns: "Not interesting"

  109. "222222"

    Returns: "Not interesting"

  110. "5315135"

    Returns: "Not interesting"

  111. "20025"

    Returns: "Not interesting"

  112. "121"

    Returns: "Not interesting"

  113. "30003"

    Returns: "Not interesting"

  114. "131"

    Returns: "Not interesting"

  115. "111111"

    Returns: "Not interesting"

  116. "1010101"

    Returns: "Not interesting"

  117. "465465"

    Returns: "Not interesting"

  118. "62002"

    Returns: "Not interesting"

  119. "2222"

    Returns: "Not interesting"

  120. "10"

    Returns: "Not interesting"

  121. "33"

    Returns: "Not interesting"

  122. "444444"

    Returns: "Not interesting"

  123. "20020000"

    Returns: "Not interesting"

  124. "11"

    Returns: "Not interesting"

  125. "3210"

    Returns: "Not interesting"

  126. "123456789"

    Returns: "Not interesting"

  127. "60000006"

    Returns: "Not interesting"

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