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还要加上0到目标位置的步数吧。另外这样做不WA也会TLE吧……

Posted by rovingcloud at 2006-07-31 01:42:34 on Problem 2893
In Reply To:Why wrong answer? Posted by:ACM06021fly at 2006-07-30 17:43:02
> #include<stdio.h>
> 
> int data[1000000];
> int main()
> {
> 	int m,n,i,j;
> 	while(scanf("%d %d",&m,&n)==2){
> 		if(!m && !n)
> 			return 0;
> 		for(i = 0; i < m*n; i++)
> 				scanf("%d",&data[i]);
> 			int ni = 0;
> 			for(i = 0; i < m*n-1; i++)
> 				for(j = i+1; j < m*n; j++)
> 					if(data[i] > data[j] && data[j] != 0)
> 						ni++;
> 			if(ni%2 == 0)
> 				printf("YES\n");
> 			else
> 				printf("NO\n");
> 	}
> }

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