观察布尔变量特点

#include<iostream>
#include<cmath>
using namespace std;
int main()
{
    bool f=false,F=true;
    cout<<f<<" "<<F<<endl;
 f=5;
 F=0;
 cout<<f<<" "<<F<<endl;
 cout<<f*2<<" "<<(F&&f)<<" "<<(F||3)<<endl;
 f=0*F;
 F=0+3;
 cout<<f<<' '<<F<<endl; 
}

结果

0 1
1 0
2 0 1
0 1