Package g0601_0700.s0650_2_keys_keyboard
Class Solution
java.lang.Object
g0601_0700.s0650_2_keys_keyboard.Solution
public class Solution
extends java.lang.Object
650 - 2 Keys Keyboard.
Medium
There is only one character 'A'
on the screen of a notepad. You can perform two operations on this notepad for each step:
- Copy All: You can copy all the characters present on the screen (a partial copy is not allowed).
- Paste: You can paste the characters which are copied last time.
Given an integer n
, return the minimum number of operations to get the character 'A'
exactly n
times on the screen.
Example 1:
Input: n = 3
Output: 3
Explanation:
Initially, we have one character ‘A’.
In step 1, we use Copy All operation.
In step 2, we use Paste operation to get ‘AA’.
In step 3, we use Paste operation to get ‘AAA’.
Example 2:
Input: n = 1
Output: 0
Constraints:
1 <= n <= 1000
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Constructor Summary
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Method Summary
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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Solution
public Solution()
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Method Details
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minSteps
public int minSteps(int n)
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