bitset STL

 

bitset STL

#include<bits/stdc++.h>

using namespace std;

#define ll long long int

#define endl "\n"

ll lcm(ll a,ll b)

{

    ll r;

    r=(a*b)/__gcd(a,b);

    return r;

}

int main()

{

     ios_base::sync_with_stdio(0);

     cin.tie(0);

     cout.tie(0);

      //bitset<31> bset; declaration

     // bitset<31> bset(5);

      //cout<<bset<<endl;

      //string s="101";

    // bitset<32>bset(s);

     //bitset<32> bset(string("101")); another initialization

     //cout<<bset.to_ulong()<<endl;

    //oparation

    bitset<10> bset;

    bset.set();

    cout<<bset<<endl;// all value will be one

    bset=5;

    cout<<bset<<endl;

    cout<<bset.count()<<endl;//count number of one

    bset.flip();//toggle all value;

    cout<<bset<<endl;

    cout<<bset[3]<<endl;//zero base index and start by rightmost bit

    bset.reset();

    cout<<bset<<endl;// all value will be zero

    return 0;

}