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Count set bits in an integer c++ Code Example
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;



Cpp

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Category:
 Coding
Sub Category:
 Code Example
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