问题遇到的现象和发生背景
用代码块功能插入代码,请勿粘贴截图
我想要达到的结果
#include<stdio.h>
#define PI 3.1415927
int main()
{ float r,v;
while(scanf("%f",&r)!=EOF)
{ v=(4/3)*PI*r*r*r;
printf("%.3f\n",v);
}
return 0;
}
#include<stdio.h>
#define PI 3.1415927
int main()
{ float r,v;
while(scanf("%f",&r)!=EOF)
{ v=(4/3)*PI*r*r*r;
printf("%.3f\n",v);
}
return 0;
}
#include<stdio.h>
using namespace std;
int main()
{
double r;
double v;
const double pi=3.14159;
cout<<"请输入求的半径:"<<endl;
cin>>r;
v=4.0*pi*r*r*r/3.0;
cout<<"球的体积为:"<<v<<endl;
rreturn 0;
}