题解 - 苏州市吴江区中学生信息编程竞赛域

3
12209水宇辰 (12209水宇辰) LV 9 @ 2021-11-07 14:00:36

#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
int a,b;
double c;
cin>>a>>b;
c=1.0*a/b;
printf("%.9lf",c);
return 0;
}
-1
ta18姚懿恒 (ta18姚懿恒) LV 7 @ 2021-12-04 21:07:26

#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
int a,b;
double c;
cin>>a>>b;
c=1.0*a/b;
printf("%.9lf",c);
return 0;
}//sb
-2
Prettygirl (12312王诺怡) LV 8 @ 2021-11-21 21:31:05

#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
double c;
c=a*1.0/b;
cout<<fixed<<setprecision(9)<<c<<endl;
return 0;
}
-3
12337陈子函 (12337陈子函) LV 8 @ 2021-11-06 20:22:48

#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
printf("%.9lf",a/1.0/b);
return 0;
}