bitset

//http://blog.csdn.net/chaiwenjun000/article/details/71154235#include<iostream>#include<cstdio>#include<bitset>using namespace std;bitset<10> a;bitset<10> b;int main(){    a.set();    cout<<a<<endl;    a.reset();    a[1]=1;    a=a|b;    cout<<a<<endl;    a.flip();    cout<<a;}