逻辑变量logic variable

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//bool
#include<iostream> 
using namespace std; 
int main() 
{ 
	bool b1=true, b2=false; 
	cout << "b1 is = " << b1 << "\n"; 
	cout << "b2 is = " << b2 << "\n"; 
	if (b1) cout << "Yes" << "\n"; 
	else cout << "No" << "\n"; 

	if(b1&&b2)	cout << "Yes" << "\n"; 
	else cout << "No" << "\n"; 
	
return 0; 
	
}