[Leetcode 190, Easy] Reverse Bits
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Problem:
Reverse bits of a given 32 bits unsigned integer.
For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as00111001011110000010100101000000).
Follow up:
If this function is called many times, how would you optimize it?
Related problem: Reverse Integer
Analysis:Solutions:
C++:
uint32_t reverseBits(uint32_t n) { uint32_t ri = 0; for(int i = 0; i < 32; ++i) { ri = ri << 1; ri += n % 2; n = n >> 1; } return ri; }Java:
Python:
0 0
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