Meta E4 Phone Screen

Round 1

Questions:

Question 636:

b = begin, e = end

Input:

foo 10 b
bar 20 b
bar 50 e
foo 100 e

Output:

bar 30
foo 60

Question 17:

You're given the mapping like {1 -> ['A', 'B', 'C'], etc.}.

• Input: [1, 1, 2], Output: ['AAD', 'BD']
• Input: [1, 1, 1, 2], Output: ['AAAD', 'ABD', 'CD', 'BAD']