how to find the left most bit 1 in binary of any number

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Roberto
18 Feb 2020
1//C++ Code to find the value of 2^n = highestOneBit(). 
2int highestOneBit(int i) {
3    i |= (i >>  1);
4    i |= (i >>  2);
5    i |= (i >>  4);
6    i |= (i >>  8);
7    i |= (i >> 16);
8    return i - (i >> 1);
9}
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