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Re:以前总是Runtime error,用了qsort后一次AC!!!!!!!!! 贴上代码,纪念一下.(C语言)

Posted by dengd at 2009-11-15 16:02:07 on Problem 1002
In Reply To:以前总是Runtime error,用了qsort后一次AC!!!!!!!!! 贴上代码,纪念一下.(C语言) Posted by:qichao at 2009-08-03 09:59:44
> #include<stdio.h>
> #include<string.h>
> #include<stdlib.h>
> 
> int sort_function(const void *a,const void *b)  
> { 
>         return(strcmp((char*)a,(char*)b));  
> }   
> 
> int main()
> {
> 	long n,i,j,k,leng;
> 	char ch[100],num[10],ccc[100001][10];
> 	int flag;
> 	scanf("%ld",&n);
> 	getchar();
> 	for(i=0;i<n;i++)
> 	{
> 		gets(ch);
> 		leng=strlen(ch);
> 		for(j=0,k=0;j<leng;j++)
> 		{
> 			if(ch[j]=='A'||ch[j]=='B'||ch[j]=='C')			num[k++]='2';
> 			if(ch[j]=='D'||ch[j]=='E'||ch[j]=='F')			num[k++]='3';	
> 			if(ch[j]=='G'||ch[j]=='H'||ch[j]=='I')			num[k++]='4';
> 			if(ch[j]=='J'||ch[j]=='K'||ch[j]=='L')			num[k++]='5';
> 			if(ch[j]=='M'||ch[j]=='N'||ch[j]=='O')			num[k++]='6';
> 			if(ch[j]=='P'||ch[j]=='R'||ch[j]=='S')			num[k++]='7';
> 			if(ch[j]=='T'||ch[j]=='U'||ch[j]=='V')			num[k++]='8';
> 			if(ch[j]=='W'||ch[j]=='X'||ch[j]=='Y')			num[k++]='9';
> 			if(ch[j]=='-')									continue;
> 			if(ch[j]>='0'&&ch[j]<='9')						num[k++]=ch[j]; 
> 			if(k==3)										num[k++]='-';
> 			if(k==8)										break;
> 		}
> 		num[k]='\0';
> 		strcpy(ccc[i],num);
> 	}
> 
> 	qsort((void*)ccc, n, sizeof(ccc[0]), sort_function);
> 
> 	flag=0;
> 	for(i=0;i<n;i=j)
> 	{
> 		for(j=i+1;j<n;j++)
> 		{
> 			if(strcmp(ccc[j],ccc[i])!=0)
> 				break;
> 		}
> 		if(j-i!=1)
> 		{
> 			printf("%s %d\n",ccc[i],j-i);
> 			flag=1;
> 		}
> 	}
> 	if(flag==0)
> 		printf("No duplicates.\n");
> 	return 0;
> }

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