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;
}bit counting
countBits = (n) => n.toString(2).split("0").join("").length;count bits c++
//Method 1
int count = 0;
while (n)
{
count++;
n >>= 1;
}
//Method 2
int count = (int)log2(number)+1;Copyright © 2021 Codeinu
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