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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……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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