Readme.txt

You are given a two-digit integer n. Return the sum of its digits.

Example

For n = 29, the output should be
solution(n) = 11.

Input/Output

[execution time limit] 3 seconds (java)

[memory limit] 1 GB

[input] integer n

A positive two-digit integer.

Guaranteed constraints:
10 ≤ n ≤ 99.

[output] integer

The sum of the first and second digits of the input number.

[Java] Syntax Tips

// Prints help message to the console
// Returns a string
// 
// Globals declared here will cause a compilation error,
// declare variables inside the function instead!
String helloWorld(String name) {
    System.out.println("This prints to the console when you Run Tests");
    return "Hello, " + name;
}

sumCharArray.java

int solution(int n) {
    int sum = 0;
    char [] numChars = String.valueOf(n).toCharArray();
    for(char c : numChars) {
        sum += Character.getNumericValue(c);
    }
    return sum;
}