> #include <iostream.h>
> #include <stdlib.h>
> #include <string.h>
> int cmp(const void * a,const void * b)
> {	
> 	return strcmp( (char *)a,(char *)b);
> }
> void main()
> {
> 	char phone[100001][8];
> 	char tel[101];
> 	int cishu[100001];
> 	int num,i=0,len,j,k=0;
> 	char con[]="22233344455566677778889999";
> 	cin >>num;
> 	for(;i<num;i++)
> 	{
> 		cin >>tel;
> 		cishu[i]=1;
> 		len=strlen(tel);
> 		for(j=0;j<len;j++)
> 		{
> 			if(tel[j]=='-')
> 			{
> 				for(k=j;k<len-1;k++)
> 					tel[k]=tel[k+1];
> 				tel[k]='\0';
> 				len--;
> 				if(tel[j]=='-') j--;
> 			}
> 			if(tel[j]>='A'&&tel[j]<='Y')
> 				tel[j]=con[tel[j]-'A'];
> 		}
> 		strcpy(phone[i],tel);
> 	}
> 	qsort(phone,num,sizeof(phone[0]),cmp);
> 	i=0;
> 	for(j=0;j<num;)
> 	{
> 		i=j+1;
> 		for(;i<num&&strcmp(phone[i],phone[j])==0;i++)
> 		{
> 			cishu[j]++;
> 			cishu[i]=-100001;
> 		}
> 		if(i>j+1&&cishu[j]>1)
> 		{
> 				k++;
> 				for(int x=0;x<7;x++)
> 				{
> 					if(x==3)
> 						cout <<'-';
> 					cout <<phone[j][x];
> 				}
> 				cout <<' '<<cishu[j]<<endl;
> 		}
> 		j=i;
> 	}
> 	if(k==0) cout <<"No duplicates."<<endl;	
> }