Count set bits in an integer c++
//Method 1
int count = __builtin_popcount(number);
//Method 2
int count = 0;
while (number) {
count += number & 1;
n >>= 1;
}Count set bits in an integer c++
//Method 1
int count = __builtin_popcount(number);
//Method 2
int count = 0;
while (number) {
count += number & 1;
n >>= 1;
}count number of bits set in a number
int count_one (int n)
{
while( n )
{
n = n&(n-1);
count++;
}
return count;
}Copyright © 2021 Codeinu
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