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Coding · Easy · Free

Remove k digits to make smallest number

CodingMonotonic StackFresher
Model answer

Approach

  • Clarify constraints and edge cases for: Remove k digits to make smallest number.
  • Choose appropriate data structure; state time/space complexity before coding.

Java Solution

Java
// Java solution sketch for: Remove k digits to make smallest number
// Walk through one happy path + one edge case in the interview.
Complexity
TimeDepends on approach — state after coding
Space—
Interview tip: Strong answers tie Monotonic Stack patterns to a real production debugging story.