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Given an integer, we need to find the super digit of the integer.
We define super digit of an integer using the following rules:
For example, the super digit of will be calculated as:
super_digit(9875) 9+8+7+5 = 29
super_digit(29) 2 + 9 = 11
super_digit(11) 1 + 1 = 2
super_digit(2) = 2.
You are given two numbers and . The number is created by concatenating the string times. Continuing the above example where , assume your value . Your initial (spaces added for clarity).
superDigit(p) = superDigit(9875987598759875)
5+7+8+9+5+7+8+9+5+7+8+9+5+7+8+9 = 116
superDigit(p) = superDigit(116)
1+1+6 = 8
superDigit(p) = superDigit(8)
All of the digits of sum to . The digits of sum to . is only one digit, so it's the super digit.
Complete the function in the editor below. It must return the calculated super digit as an integer.
superDigit has the following parameter(s):
The first line contains two space separated integers, and .
Return the super digit of , where is created as described above.
Sample Input 0
Sample Output 0
Here and , so .
super_digit(P) = super_digit(148148148)
Sample Input 1
Sample Output 1