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大家帮忙看看如果用注释里的输入有什么问题?就是过不了#include<stdio.h> #define MAXLEN 256 int main() { char s[MAXLEN]; int i,flag; while(scanf("%s",s)==1/* 1*/) { for(i=0;s[i]!=0;i++); /* ********************* for(i=0;(s[i]=getchar())!='\n';i++) if(s[i]==EOF) return(0); ********************** */ flag=0; for(i--;i>=0;i--) { if(s[i]>='p'&&s[i]<='z'){++flag;continue;} if(s[i]=='N') {if(flag>=1)continue;else break;} if(s[i]=='C'||s[i]=='D'||s[i]=='E'||s[i]=='I') {if(flag>=2)--flag;else {flag=0;break;}} else{flag=0; break;} } if(flag==1)printf("YES\n");else printf("NO\n"); } } Followed by:
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