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Re:总结三点

Posted by await8157 at 2013-03-18 15:23:09 on Problem 1012
In Reply To:Re:总结三点 Posted by:wuyifan00 at 2011-09-16 17:34:01
> 还是超时啊...
> 真是很崩溃啊..
> 我自己统计时间才280MS啊..这怎么回事哇?
> int josephRing( int k ){
> 	int m = 1;
> 	int index = 0;
> 	int ringSize = 2 * k;
> 	int pos = 0;
> 	int count = 0;
> 	while(1){
> 		count = m * (k + 1);
> 		for( index = 0; index <= 1; index++ ){
> 			count = count + index;
> 			ringSize = 2 * k;
> 			pos = 0;
> 			while( 1 ){
> 				pos = ( (pos + count - 1 ) % ringSize) + 1;
> 				if( pos > k ){
> 					ringSize--;
> 					pos--;
> 				}else{
> 					break;
> 				}
> 				if( ringSize == k ){
> 					break;
> 				}
> 			}
> 			if( k == ringSize )
> 				return  count;
> 		}
> 		m++;
> 	}
> }
暴力后再枚举

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