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Re:不明白的看这边

Posted by ericlee211 at 2007-01-08 15:30:32 on Problem 2590
In Reply To:不明白的看这边 Posted by:level at 2006-07-27 20:30:59
> #include<iostream.h>
> void main()
> {
> 	double s,i,step,m,k,x,y;
> 	cin>>s;
> 	while(s>=1)
> 	{
> 		cin>>x>>y;
> 		m=y-x;i=1;k=0;step=0;
> 		if(m>0)
> 		{
> 			while(k+2*i<=m)
> 			{
> 				k+=2*i;
> 				i++;
> 				step+=2;
> 			}
> 			if(k!=m)
> 			{
> 				if(m-k<=i)
> 					step++;
> 				else step+=2;
> 			}
> 		}
> 		cout<<step<<endl;
> 		s--;
> 	}
> }
> 你和我一样就AC了

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