Question

How to check if none of the bits are set in a bitset with C++

Answer 1

#include <bits/stdc++.h> 
  
using namespace std; 
    
int main() 
{ 
    bitset<4> bs(string("0000")); 
     
    if (bs.none()) 
        cout << "yes";
    else
        cout << "no";
     
    return 0; 
} 
  
  
  
/*
run:
  
yes
  
*/

 

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