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各位大牛帮忙看下 程序为什么老是wa

Posted by 343051232 at 2008-11-10 21:14:33 on Problem 1002
#include<iostream>
#include<string.h>
using namespace std;
struct In
{
	char str[100];
}s[1000000];
int res[1000000][2];
int cmp(const void *a,const void *b)
{
	return strcmp((*(In *)a).str,(*(In *)b).str);
}
void pan(char &a)
{

	if(a=='A'||a=='B'||a=='c')
		a='2';
	if(a=='D'||a=='E'||a=='F')
		a='3';
	if(a=='G'||a=='H'||a=='I')
		a='4';
	if(a=='J'||a=='K'||a=='L')
		a='5';
	if(a=='M'||a=='N'||a=='O')
		a='6';
	if(a=='P'||a=='R'||a=='S')
		a='7';
	if(a=='T'||a=='U'||a=='V')
		a='8';
	if(a=='W'||a=='X'||a=='Y')
		a='9';
}
void   change(In *a,int n)
{
	for(int i=0;i<n;i++)
	{
		for(unsigned int j=0;j<strlen(a[i].str);j++)
		{
			pan(a[i].str[j]);
			if(a[i].str[j]=='-'||a[i].str[j]>='A'&&a[i].str[j]<='Y')
			{
				for(unsigned int k=j;k<strlen(a[i].str);k++)
					a[i].str[k]=a[i].str[k+1];
				j--;
			}
		}
	}
}
int main()
{
   int n=0,count=0,flag=0,i=0,j=0;
   unsigned int k=0,f=0;
	   cin>>n;
   for(i=0;i<n;i++)
	   cin>>s[i].str;
   change(s,n);
   qsort(s,n,sizeof(s[0]),cmp);
   for(i=0;i<n;i++)
   {
	   if(strcmp(s[i].str,s[i+1].str)==0)
	   {
		   res[count][0]=i;
		   res[count][1]++;
		   flag=1;
	   }
	   else
	   {
		   if(flag==1)
			   res[count][1]++;
		   count++;
		   flag=0;
	   }
   }
   if(count==n)
	   cout<<"No duplicates."<<endl;
   else
   {
     for(i=0;i<count;i++)
	 {
	   flag=0;
	   if(res[i][0]||res[i][0]==0&&i==0)
	      for(f=0;f<strlen(s[res[i][0]].str);f++)
		   {
			 if(f==3)
			   cout<<'-';
			 flag=1;
		     cout<<s[res[i][0]].str[f];
		   }
	   if(flag==1)
	        cout<<" "<<res[i][1]<<endl;
	 }
   }
	return 0;
	
}

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