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郁闷啊~~~老runtime error~~~~~谁能帮忙看看怎么回事啊~~谢谢~~!

Posted by Kyno at 2008-03-09 17:34:23 on Problem 1002
#include <stdio.h>
#include <string.h>

void clear(char *p);
void sort(char (*p)[16],int n);
void cmp(char (*p)[16],int &n);
void print(char (*p)[16],int n);
int main()
{
	int n;
	char a[1000][16];
	scanf("%d",&n);
	for(int i = 0;i<n;i++)
	{
		scanf("%s",a[i]);
		clear(a[i]);
	}
	sort(a,n);
	cmp(a,n);
	print(a,n);
	return 0;
}
void clear(char *p)
{
	for(int i=0;*(p+i)!=0;i++)
	{
		switch(p[i])
		{
		case 'A':
		case 'B':
		case 'C':p[i]='2';break;
		case 'D':
		case 'E':
		case 'F':p[i]='3';break;
		case 'G':
		case 'H':
		case 'I':p[i]='4';break;
		case 'J':
		case 'K':
		case 'L':p[i]='5';break;
		case 'M':
		case 'N':
		case 'O':p[i]='6';break;
		case 'P':
		case 'R':
		case 'S':p[i]='7';break;
		case 'T':
		case 'U':
		case 'V':p[i]='8';break;
		case 'W':
		case 'X':
		case 'Y':p[i]='9';break;
		case '-':
			{
				for(int j=i;*(p+j)!=0;j++)
				{
					*(p+j)=*(p+j+1);
				}
				i--;
			}break;
		default:;
		}
	}
	for(int j=8;j>3;j--)
	{
		p[j]=p[j-1];
	}
	p[3]='-';
}
void sort(char (*p)[16],int n)
{
	int i,j;
	for(i = 0;i < n;i++)
	{
		for(j = n-1;j > i;j--)
		{
			if(strcmpi(*(p+j-1),*(p+j))>0)
			{
				char temp[16]; 
				strcpy(temp,*(p+j));
				strcpy(*(p+j),*(p+j-1));
				strcpy(*(p+j-1),temp);
			}
		}
	}
}
void cmp(char (*p)[16],int &n)
{
	int i,j,k,r,c=0;
	for(i=0;i<n;i++)
	{
		for(j=i+1;!strcmpi(p[i],p[j])&&j<n;j++)
			c++;
		p[i][8]=32;
		p[i][9]=c+49;
		p[i][10]=0;
		if(c!=0)
		{
			for(r=i+1,k=j;k<n;k++)
			{
				strcpy(p[r],p[k]);
				r++;
			}
			n-=c;
		}
		c=0;
	}
}

void print(char (*p)[16],int n)
{
	int i;
	for(i=0;i<n;i++)
	{
		if(p[i][9]>'1')
			printf("%s\n",*(p+i));
	}
}

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