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Re:请问为什么只有60种状态

Posted by Idy002 at 2014-08-14 20:48:02 on Problem 1185
In Reply To:请问为什么只有60种状态 Posted by:cotton at 2011-07-23 12:01:13 
枚举+判断：
#include <iostream>
using namespace std;
bool isok( int c ) {
	return !(c&(c<<1)||c&(c<<2)||c&(c>>1)||c&(c>>2));
}
int main() {
	int count=0;
	for( int i=0; i<1024; i++ )
		count += isok(i);
	cout<<count<<endl;
	return 0;
}
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