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高精度,不难哦#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main()
{
char s[200];
int sc[100],t[200];
while(scanf("%s",s)!=EOF)
{
printf("%s [8] = 0.",s);
memset(sc,0,sizeof(sc));
int len=strlen(s),i,j;
for(j=0,i=len-1;i>=2;i--)
t[j++]=s[i]-'0';
len-=2;
for(i=0;i<len;i++)
{
int c=0;
sc[i]+=t[i];//这步很关键哦
for(j=0;j<=len+2;j++)
{
sc[j]=sc[j]*125+c;
c=sc[j]/1000;
sc[j]%=1000;
}
}
for(i=len-1;i>=0;i--)
printf("%03d",sc[i]);
cout<<" [10]"<<endl;
}
return 0;
}
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