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Re:我的纯暴力程序难道也WA?

Posted by ishuanger at 2009-07-21 17:16:25 on Problem 3252
In Reply To:我的纯暴力程序难道也WA? Posted by:CydorniaKnight at 2008-11-07 15:39:41
> #include<iostream>
> using namespace std;
> 
> int main()
> {
> 	int ans,l,r,i,j,judge,a,b;
> 	while(cin>>l>>r){
> 		ans=0;
> 		for(i=l;i<=r;++i)
> 		{
> 			a=b=0;
> 			j=i;
> 			while(j){
> 				if(j&1){
> 					++a;
> 				}else ++b;
> 				j>>=1;
> 			}
> 			if(a<=b)
> 				++ans;
> 		}
> 		cout<<ans<<endl;
> 	}
> 	return 0;
> }
> 
> 用此程序测试数据 1 2000000000
> 输出937891981
> 跟我写的程序一样啊,WHY WA?

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