Problem · Stack
Remove K Digits
● Medium
AmazonINTERNONSITE INTERVIEW
See Amazon hiring insightsAmazonINTERNONSITE INTERVIEWProblem statement
You are given a string num that represents a non-negative integer, and an integer k.
Remove exactly k digits from num so the remaining digits stay in their original relative order and form the smallest possible integer.
The problem statement continues
ProExamples
Example 1
num = "1432219"k = 3return = "1219"Removing the digits 4, 3, and 2 from 1432219 leaves 1219, which is the smallest remaining integer.
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