Count set bits in an integer in C Programming – Bit Algorithm – Simple Method Loop through all bits in an integer, check if bit is set and if then increment
counting numbers
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Next higher number with same number of set bits – Bit Algorithm – When we observe the binary sequence from 0 to 2n – 1 (n is # of bits),The idea is to find right most string of 1’s in x, and shift the pattern to right extreme