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这样会超时In Reply To:这题有什么边缘数据吗?测试数据通过了,怎么还不对?能帮我看一下吗?谢谢. Posted by:bird at 2005-05-18 21:30:36 > #include <cstdio>
> inline long *partion(long *s,long *e)
> {
> long *p=s;
> for(long *x=s+1;x<e;x++)
> if(*x<=*s&&++p!=x)
> {
> long temp=*x;
> *x=*p;
> *p=temp;
> }
> long temp=*s;
> *s=*p;
> *p=temp;
> return p;
> }
> long f(long *s,long *e,long *key)
> {
>
> long *x=e-1;
> while(x!=key)
> {
> if(x>key)x=partion(s,x);
> else x=partion(x+1,e);
> }
> return *x;
> }
> int main()
> {
> long n,m;
> scanf("%d%d",&n,&m);
> long *a=new long[n],*p=a;
> while(n--)scanf("%d",p++);
> while(m--)
> {
> int i,j,k;
> scanf("%d%d%d",&i,&j,&k);
> int N=j-i+1;
> long *b=new long[N],*q=b;
> p=a+i-1;
> while(N--)*(q++)=*(p++);
> printf("%d\n",f(b,q,b+k-1));
> delete []b;
> }
> delete []a;
> return 0;
> }
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