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呼...ac了,原来'0'处理错了In Reply To:疯了,怎么老是wa?递推算法有什么地方错了吗? Posted by:ArXoR at 2004-12-28 23:44:28
> #include "stdio.h"
> #include "string.h"
>
> int main(){
> unsigned long a,b,c;
> long i;
> char temp[50000],t;
> for (scanf("%s",temp);temp[0]!='0';scanf("%s",temp)){
> for (i=strlen(temp)-2,b=c=1;i>=0;i--){
> if (temp[i]=='0')
> continue;
> if (temp[i+1]=='0' || 10*temp[i]+temp[i+1]-11*'0'>26)
> {a=b;c=b;b=a;}
> else {a=b+c;c=b;b=a;}
> }
> printf("%d\n",b);
> }
> return 0;
> }
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