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class Solution {
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  public boolean strongPasswordCheckerII(String password) {
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    HashSet<Integer> intAscii = new HashSet<>();
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    String specialCharacters = "!@#$%^&*()-+";
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    for (int i = 0; i < specialCharacters.length(); i++) {
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      int ascii = specialCharacters.charAt(i);
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      intAscii.add(ascii);
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    }
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    if (password.length() < 8) {
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      return false;
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    }
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    boolean small = false;
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    boolean large = false;
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    boolean numbers = false;
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    boolean specialChars = false;
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    for (int i = 0; i < password.length(); i++) {
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      int ascii = (int) (password.charAt(i));
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      if (ascii <= 90 && ascii >= 65) {
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        large = true;
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      }
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      if (ascii <= 122 && ascii >= 97) {
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        small = true;
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      }
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      if (ascii <= 57 && ascii >= 48) {
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        numbers = true;
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      }
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      if (intAscii.contains(ascii)) {
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        specialChars = true;
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      }
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      if (i > 0 && password.charAt(i) == password.charAt(i - 1)) {
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        return false;
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      }
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    }
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    if (large == false || small == false || numbers == false || specialChars == false) {
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      return false;
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    }
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    return true;
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  }
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}