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Re:终于AC拉。。。

Posted by long2006 at 2008-07-28 20:08:59 on Problem 1126
In Reply To:终于AC拉。。。 Posted by:long2006 at 2008-07-28 20:07:48
> 晕啊。。。偶终于AC拉。。。
> #include "stdio.h"
> #include "string.h"
> 
> char a[400];
> int flag;
> int len;
> int i,j;
> int main()
> {		
> 	while((scanf("%s",&a))!=EOF)
> 	{	
> 		flag=0;
> 		//scanf("%s",&a);	
> 		len=(int)strlen(a);
> 		for(i=len-1;i>=0;i--)
> 		{
> 			if(a[i]>='p'&&a[i]<='z')
> 			{
> 				flag++;
> 			}
> 			else if(a[i]=='C'||a[i]=='D'||a[i]=='E'||a[i]=='I')
> 			{
> 				if(flag>=2)
> 				{
> 					flag--;
> 				}
> 				else 
> 				{
> 					flag=0;
> 					break;
> 				}
> 			}
> 			else if(a[i]=='N')
> 			{
> 				if(flag==0)
> 				{
> 					break;
> 				}
> 			}
> 			else
> 			{
> 				flag=0;
> 				break;
> 			}
> 		}
> 		if(flag==1)
> 		{
> 			printf("YES\n");
> 		}
> 		else
> 		{
> 			printf("NO\n");
> 		}
> 		for(j=0;j<len;j++)
> 		{
> 			a[j]='\0';
> 		}
> 	}
> 		return 0;
> }

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