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帮你改了,但是会TLEIn Reply To:为什么会Output Limit Exceeded? Posted by:200530010505 at 2007-09-21 20:11:10 #include<stdio.h>
#define MAX 50000
struct Record
{
long int value;
long int position;
};
long int findOut(long int *p,long int n,struct Record *q)
{
long int i,j,m,sum=0;
q[0].value=p[0];
q[0].position=0;
i=1;
j=1;
while(1)
{
for(;i<n;i++) //寻找
if(q[j-1].value<p[i])
{
q[j].value=p[i];
q[j].position=i;
j++;
}
if(j>=5) //计算
sum+=j*(j-1)*(j-2)*(j-3)*(j-4)/120;
while(j>0) //退位
{
j--;
for(m=q[j].position+1;m<n&&(p[m]<q[j-1].value||p[m]>q[j].value);m++);
if(m<n)
{
q[j].value=p[m];
q[j].position=m;
i=m+1;
j++;
break;
}
}
if(j==0)
{
for(m=q[0].position+1;m<n-4&&p[m]>q[j].value;m++);
if(m<n-4)
{
q[0].value=p[m];
q[0].position=m;
i=m+1;
j++;
}
else break;
}
}
return(sum);
}
void main()
{
long int i,N,sum;
long int inPutNum[MAX];
struct Record record[MAX];
while(scanf("%ld",&N)!=EOF)
{
for(i=0;i<N;i++)
scanf("%ld",&inPutNum[i]);
sum=findOut(inPutNum,N,record);
printf("%ld\n",sum);
}
}
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