Grokking Google Coding Interview
Ask Author
Back to course home

0% completed

Vote For New Content
Solution: 2 Keys Keyboard
Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Problem Statement

You're given a notepad that initially displays a single character 'A'. You have two actions available to perform on this notepad for each step:

  • Copy All: It allows you to copy everything on the screen.
  • Paste: You can paste the characters which are copied last time.

Given an integer n, return the minimum number of operations to print the character 'A' exactly n times on the screen.

Examples

  • Example 1:
    • Input: n = 4
    • Expected Output: 4
    • Justification: Start with 'A', copy it (`1

.....

.....

.....

Like the course? Get enrolled and start learning!

Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible