还是 wa
#include <stdio.h>
#include <iostream.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>

int n;
double len;
double maxt;
int maxi;
double t;
double v;
double x[32000];
char direct[32000];
char str[32000][251];

int num[32000];

int cmp(void const *a, void const *b)
{
	int *t1=(int *) a;
	int *t2=(int *) b;
	if (x[*t1]>x[*t2]) return 1;
	else return -1;
}

int main()
{
	int i,k;
	int sum;
	while (cin>>n)
	{
		if (n==0) break;
		maxt=0.0;
		cin>>len>>v;
		for (i=0;i<n;i++)
		{
			num[i]=i;
			cin>>direct[i]>>x[i]>>str[i];
			if (direct[i]=='p')
				t=(len-x[i])/v;
			else 
				t=x[i]/v;
			if (t>maxt)
			{
				maxt=t;
				maxi=i;
			}
		}
		num[0]=n-1;
		num[n-1]=0;
		qsort(num,n,sizeof(num[0]),cmp);
		if (direct[maxi]=='p')
		{
			k=n-1;
			sum=0;
			while (num[k]!=maxi)
			{
				if (direct[num[k]]=='n') sum++;
				k--;
			}
			maxi=num[k+sum];
		}
		else 
		{
			k=0;
			sum=0;
			while (num[k]!=maxi)
			{
				if (direct[num[k]]=='p') sum++;
				k++;
			}
			maxi=num[k-sum];
		}
		maxt*=100.0;
		maxt=int (maxt);
		maxt/=100.0;
		printf("%13.2lf %s\n",maxt,str[maxi]); 
	}
	return 0;
}