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runtime error!!又是这个,求甚解!

Posted by HXS2011 at 2011-07-23 08:54:04 on Problem 1002
#include<stdio.h>
#include<string.h>

int changestring(char str[],int length)
{
	int i,j;
	for(i=0;i<length;i++)
	{
		//如果连续输入2个‘-’则出现错误
		if(str[i]=='-')
		{
			j=i;
			do
			{
				str[j]=str[j+1];
				j++;
			}while(str[j]);
		}
		if(str[i]>='A'&&str[i]<='C')
			str[i]='2';
		if(str[i]>='D'&&str[i]<='F')
			str[i]='3';
		if(str[i]>='G'&&str[i]<='I')
			str[i]='4';
		if(str[i]>='J'&&str[i]<='L')
			str[i]='5';
		if(str[i]>='M'&&str[i]<='O')
			str[i]='6';
		if(str[i]>='P'&&str[i]<='S')
			str[i]='7';
		if(str[i]>='T'&&str[i]<='V')
			str[i]='8';
		if(str[i]>='W'&&str[i]<='Y')
			str[i]='9';
	}
	return 1;
}

int  main()
{
	int n,i,j,k,length,count[101],flag=0;
	char str[100][22],rank[]="0123456789";
	freopen("bb.txt","r",stdin);
	while(scanf("%d",&n)!=EOF && n!=0)
	{
		//输入部分
		getchar();
		for(i=0;i<n;i++)
		{
			scanf("%s",&str[i]);
			length=strlen(str[i]);
			changestring(str[i],length);
		}
		for(i=0;i<n;i++)
		{
			count[i]=1;
			for(j=i+1;j<n;j++)
			{
				if(!strcmp(str[i],str[j]))
				{
					count[i]++;
					for(k=j;k<n-1;k++)
						strcpy(str[k],str[k+1]);
				
					n--;
					j--;
				}
			}
		}
		for(i=0;i<n;i++)
		{
			if(count[i]!=1)
				flag=1;
		}
		if(flag==0)
			printf("No duplicates. \n");
		
	/*	for(i=0;i<10;i++)
			for(j=0;j<n;j++)
				if(count[j]>1 && rank[i]==str[j][0])
						printf("%c%c%c%c%c%c%c%c %d\n",str[j][0],str[j][1],str[j][2],'-',str[j][3],str[j][4],str[j][5],str[j][6],count[j]);	
						*/
		for(i=0;i<10;i++)
			for(j=0;j<n;j++)
				if(count[j]>1 && rank[i]==str[j][0])
				{
					for(k=0;k<3;k++)
						printf("%c",str[j][k]);
					printf("-");
					for(k=3;k<strlen(str[j]);k++)
						printf("%c",str[j][k]);
					printf(" %d\n",count[j]);
				}

	}
	return 0;
}

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