Count bits c++

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 bits c++

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

Similar codes

24 votes165 views2 answers
C++ reverse part of vector
C++
0 vote101 views1 answer
What is "\0" character in c++
C++
0 vote112 views1 answer
C++ iterate through constant list
C++
0 vote123 views1 answer
Flutter websocket auto reconnect
C++
0 vote113 views1 answer
Apertura file in c++
C++
0 vote111 views1 answer
C++ how to inherit from a template class
C++
0 vote115 views1 answer
Vector of threads thread pool c++
C++
1 vote112 views1 answer
Enumerate with letters latex
C++
1 vote111 views1 answer
Abs in c++
C++
0 vote113 views1 answer
Cpp tutorial
C++