"Count set bits in an integer c++" Code Answer's

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Count set bits in an integer c++

BreadCode on May 10, 2021

//Method 1
	int count = __builtin_popcount(num);
//Method 2
	int count = 0;
    while (num) {
        count += num & 1;
        n >>= 1;
    }

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bit counting

Fylls on Jun 19, 2020

countBits = (n) => n.toString(2).split("0").join("").length;

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count bits c++

BreadCode on May 10, 2021

//Method 1
   int count = 0;
   while (n)
   {
        count++;
        n >>= 1;
    }
//Method 2
	int count = (int)log2(number)+1;

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"Count set bits in an integer c++" Code Answer's