Question

How to count the number of set bits in a bitset with C++

Answer 1

#include <bits/stdc++.h> 
 
using namespace std; 
   
int main() 
{ 
    bitset<8> bs(string("10001100")); 
    
    cout << bs.count(); 
    
    return 0; 
} 
 
 
 
/*
run:
 
3
 
*/

 

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