Arith Geo
Have the function ArithGeo(arr) take the array of numbers stored in arr and return the string "Arithmetic" if the sequence follows an arithmetic pattern or return "Geometric" if it follows a geometric pattern. If the sequence doesn't follow either pattern return -1.
An arithmetic sequence is one where the difference between each of the numbers is consistent, whereas in a geometric sequence, each term after the first is multiplied by some constant or common ratio.
Arithmetic example: [2, 4, 6, 8]
Geometric example: [2, 6, 18, 54]
Negative numbers may be entered as parameters, 0 will not be entered, and no array will contain all the same elements.
Examples
Input: new int[] {5,10,15}
Output: Arithmetic
Input: new int[] {2,4,16,24}
Output: -1
Letter Count I
Have the function LetterCountI(str) take the str parameter being passed and return the first word with the greatest number of repeated letters.
For example: "Today is the greatest day ever!" should return greatest because it has 2 e's (and 2 t's) and it comes before ever, which also has 2 e's.
If there are no words with repeating letters, return -1.
Words will be separated by spaces.
Examples
Input: "Hello apple pie"
Output: Hello
Input: "No words"
Output: -1
Arith Geo
Have the function ArithGeo(arr) take the array of numbers stored in arr and return the string "Arithmetic" if the sequence follows an arithmetic pattern or return "Geometric" if it follows a geometric pattern. If the sequence doesn't follow either pattern return -1.
An arithmetic sequence is one where the difference between each of the numbers is consistent, whereas in a geometric sequence, each term after the first is multiplied by some constant or common ratio.
Arithmetic example: [2, 4, 6, 8]
Geometric example: [2, 6, 18, 54]
Negative numbers may be entered as parameters, 0 will not be entered, and no array will contain all the same elements.
Examples
Input: new int[] {5,10,15}
Output: Arithmetic
Input: new int[] {2,4,16,24}
Output: -1
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