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Leetcode Problem 869. Reordered Power of 2
869. Reordered Power of 2
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Leetcode Solutions
Counting Digits Approach
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
Define a function to count the digits of a number and return a string representing the digit count in sorted order.
Convert the input number
n
to its sorted digit count string.
Iterate over all powers of two within the range of possible digit lengths for
n
.
For each power of two, convert it to its sorted digit count string.
Compare the sorted digit count string of
n
with the sorted digit count string of the current power of two.
If a match is found, return
true
.
If no match is found after checking all powers of two, return
false
.
Permutation Check Approach
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