[leetcode]Reverse Bits
2015-03-17 20:05
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Reverse bits of a given 32 bits unsigned integer.
For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).
For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).
class Solution {
public:
uint32_t reverseBits(uint32_t n) {
int num=0,i=32;
while(i--){
num*=2;
num+=(n%2);
n/=2;
}
return num;
}
};
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