#include<cstdio>
#include<iostream>
#include<cmath>
#include<algorithm>
#include<vector>
#include<cstring>
using namespace std;
#define maxn 1010
//nt r;
struct bign{
int d[maxn];
int len;
bign()
{
memset(d,0,sizeof(d));
len=0;
}
};
bign change(char str[])
{
bign a;
a.len=strlen(str);
for(int i=0;i<a.len;i++)
{
a.d[i]=str[a.len-i-1]-'0';
}
return a;
}
bign divide(bign a,int b,int& r)
{
bign c;
c.len=a.len;
for(int i=a.len-1;i>=0;i--)
{
r=r*10+a.d[i];
if(r<b)
{
c.d[i]=0;
}
else
{
c.d[i]=r/b;
r=r%b;
}
}
while(c.len-1>=1&&c.d[c.len-1]==0)
{
c.len--;
}
return c;
}
void print(bign a)
{
for(int i=a.len-1;i>=0;i--)
{
printf("%d",a.d[i]);
}
}
int main()
{
char str[maxn];
int b,r=0;
scanf("%s %d",str,&b);
bign a=change(str);
print(divide(a,b,r));
printf(" %d\n",r);
return 0;
}
PAT——B A除以B(高精度除以低精度)
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转载自blog.csdn.net/qq_42232118/article/details/82345358
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