题解 - [ybt]1014 与圆相关的计算

7

褚培湘 LV 5 @ 2023-3-29 17:04:10

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;
}

找儿子的红太狼 @ 2023-4-19 16:24:04

6666666666666👍

1

李子面包 LV 4 @ 2023-3-29 17:11:13

#include<iostream> #include<iomanip> using namespace std; int main() { double r,a,b,c; cin>>r; a=2r; b=23.14159r; c=3.14159r*r; cout<<fixed<<setprecision(4)<<a<<" "; cout<<fixed<<setprecision(4)<<b<<" "; cout<<fixed<<setprecision(4)<<c; return 0; }

1

小荔枝 LV 4 @ 2023-3-29 17:08:45

#include<iostream> 
#include<iomanip>
using namespace std;
int main()
{
	double r,a,b,c;
	cin>>r;
	a=2*r;
	b=2*3.14159*r;
	c=3.14159*r*r;
	cout<<fixed<<setprecision(4)<<a<<" ";
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c;
	return 0;	
}

0

Amy LV 4 @ 2023-6-2 13:57:31

#include<iostream> 
#include<iomanip>
using namespace std;
int main()
{
	double r,a,b,c;
	cin>>r;
	a=2*r;
	b=2*3.14159*r;
	c=3.14159*r*r;
	cout<<fixed<<setprecision(4)<<a<<" ";
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c;
	return 0;	
}

0

Amy LV 4 @ 2023-6-2 13:41:27

#include<bits/stdc++.h>
using namespace std;
int main(){
double a,b;
cin>>a>>b;
printf("%.3lf",b/a*100);
cout<<"%";
return 0;

}

0

焦峻熙 LV 3 @ 2023-5-23 13:50:31

iiuyiuy8i6

0

汪星哲 LV 4 @ 2023-5-23 13:49:50

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;
}

0

兰轩豫 LV 3 @ 2023-5-22 16:24:16

#include<bits/stdc++.h> usinusing namespace std; int main() { double r; cin>>r; cout<<fixed<<setprecision(4)<<r2<<" "; cout<<r3.141592<<" "; cout<<3.14159r*r;

return 0;

}

0

找儿子的红太狼 LV 5 @ 2023-4-19 16:24:43

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;

0

屈睿熙 LV 6 @ 2023-4-11 17:44:34

124466

0

桐生战兔 LV 4 @ 2023-3-29 17:10:13

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;
}

0

桐生战兔 LV 4 @ 2023-3-29 17:09:59

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;
}

-2

无敌战神 LV 6 @ 2023-3-22 13:37:00

#include<iostream>

#include<iomanip>

using namespace std;

int main(){

double a,b,c,d;

cin>>a;

b=2*a;

c=23.14159a;

d=3.14159aa;

cout<<fixed<<setprecision(4)<<b<<" ";

cout<<fixed<<setprecision(4)<<c<<" ";

cout<<fixed<<setprecision(4)<<d;

return 0;

}

-3

无敌战神 LV 6 @ 2023-3-29 14:04:28

#include<iostream> 
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a;
	b=2*a;
	c=2*3.14159*a;
	d=3.14159*a*a;
	cout<<fixed<<setprecision(4)<<b<<" ";
	cout<<fixed<<setprecision(4)<<c<<" ";
	cout<<fixed<<setprecision(4)<<d;
	return 0;
}

-11

曹子杰 LV 2 @ 2023-3-22 13:35:52

Hi😄

15 条题解

[ybt]1014 与圆相关的计算

信息

15 条题解

[ybt]1014 与圆相关的计算

信息

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