题解 - 苏州市吴江区中学生信息编程竞赛域

202507cj01陈梓豪 (陈梓豪1) LV 7 @ 2025-07-24 08:14:45

#include <iomanip>
#include <iostream>
using namespace std;
int main()
{
double h, r, v;
int n;
cin>>h>>r;
v=r*r*3.1415926*h;
n=int(20000/v);
if (20000/v>0)
{
n++;
cout<< n;
}else
{
cout<< n;
}
return 0;
}

0
12109俞天奇 LV 8 @ 2022-08-01 13:14:50

#include<iostream>
#include<cmath>
using namespace std;
const double PI=3.14159;
int main(){
int h,r;
cin >> h >> r;
cout<<ceil(20/(PI*r*r*h/1000));
return 0;
}
0
10914赵海锋 (10914赵海锋) LV 7 @ 2021-11-01 19:29:04

#include<iostream>
#include<cmath>
using namespace std;
int main()
{
int r,h;
double P;
P=3.14159;
cin>>h>>r;
cout<<ceil(20/(r*r*P*h/1000));
return 0;
}
//emm……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
-3
Prettygirl (12312王诺怡) LV 8 @ 2021-11-21 21:28:10

#include <iostream>
#include <cmath>
using namespace std;
int main()
{
int h,r;
cin>>h>>r;
cout<<ceil(20*1000/(3.14159*r*r*h))<<endl;
return 0;
}
-3
12234洪子昊 (12234洪子昊) LV 8 @ 2021-11-08 21:29:34

#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
int main()
{
int r,h;
double P;
P=3.14159;
cin>>h>>r;
cout<<ceil(20/(r*r*P*h/1000));
return 0;
}
easy
-4
12228王晨 (12228王晨) LV 7 @ 2021-10-31 20:56:08

#include<iostream>
#include<cmath>
using namespace std;
int main()
{
int r,h;
double P;
P=3.14159;
cin>>h>>r;
cout<<ceil(20/(r*r*P*h/1000));
return 0;
}