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为什么WA 郁闷!测试过所以的数据拉#include "stdio.h" int main(){ long a,b,c; int i; int flag=0,flag1=0; while(scanf("%ld",&a)!=EOF){ if(a<=0) break; b=a; c=a-1; if(a==1||a==2){ printf("YES\n"); continue; } if(a>409114){ printf("NO\n"); continue; } else{ for(i=2;i<=9;i++){ if(b%i>1){ flag=1; i=10; } else b=b/i; } for(i=2;i<=9;i++){ if(c%i>1){ flag1=1; i=10; } else c=c/i; } if(flag==1&&flag1==1) printf("NO\n"); else printf("YES\n"); } flag=0; flag1=0; } return 0; } Followed by:
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