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Re:终于AC拉。。。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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