Class Solution
- java.lang.Object
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- g2501_2600.s2571_minimum_operations_to_reduce_an_integer_to_0.Solution
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public class Solution extends Object
2571 - Minimum Operations to Reduce an Integer to 0.Medium
You are given a positive integer
n
, you can do the following operation any number of times:- Add or subtract a power of
2
fromn
.
Return the minimum number of operations to make
n
equal to0
.A number
x
is power of2
ifx == 2i
wherei >= 0
.Example 1:
Input: n = 39
Output: 3
Explanation: We can do the following operations:
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Add 20 = 1 to n, so now n = 40.
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Subtract 23 = 8 from n, so now n = 32.
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Subtract 25 = 32 from n, so now n = 0. It can be shown that 3 is the minimum number of operations we need to make n equal to 0.
Example 2:
Input: n = 54
Output: 3
Explanation: We can do the following operations:
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Add 21 = 2 to n, so now n = 56.
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Add 23 = 8 to n, so now n = 64.
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Subtract 26 = 64 from n, so now n = 0. So the minimum number of operations is 3.
Constraints:
1 <= n <= 105
- Add or subtract a power of
-
-
Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
minOperations(int n)
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