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;
}bitwise count total set bits
//WAP to find setbits (total 1's in binary ex. n= 5 => 101 => 2 setbits
int count{}, num{};
cin >> num;
while (num > 0) {
count = count + (num & 1); // num&1 => it gives either 0 or 1
num = num >> 1; // bitwise rightshift
}
cout << count; //count is our total setbitsCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
