190. reverse bits

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).

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class  {
public:
    uint32_t reverseBits(uint32_t n) {
        uint32_t temp=n,result=0;
        for(int i=0;i<32;i++){
            result=(result<<1)+(temp&1);
            temp>>=1;
        }
        return result;
    
    }

};