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poj上TLE,南开oj上WA的自编快排……In Reply To:这么短的代码怎么会WA??难道是理解错了题意??不就是排序么?各位帮我看看啊!! Posted by:JokerKS at 2010-10-09 18:36:11 #include<stdio.h>
int n,m,nm[31000],s[31000],p,u[31000];
void qs(int l,int r)
{
int i,j;
i=l;j=r;
while(i<j)
{
while(i<j&&nm[i]<nm[j]) i++;
if(i<j) {nm[0]=nm[i];nm[i]=nm[j];nm[j]=nm[0];j--;}
while(i<j&&nm[i]<nm[j]) j--;
if(i<j) {nm[0]=nm[i];nm[i]=nm[j];nm[j]=nm[0];i++;}
}
if(l<i-1) qs(l,i-1);
if(r>i+1) qs(i+1,r);
}
int main()
{
int i;
while(scanf("%d%d",&n,&m)!=EOF)
{
for(i=1;i<=n;i++) scanf("%d",&s[i]);
for(i=1;i<=m;i++) scanf("%d",&u[i]);
for(i=1,p=1;i<=n;i++)
{
nm[i]=s[i];
if(u[p]==i)
{
qs(1,i);
while(u[p]==i)
printf("%d\n",nm[p++]);
}
}
}
return 0;
}
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