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#include "stdio.h"
#define PI 3.1415927
int main(void){
double r;
double v;
while(scanf("%lf", &r) != EOF){
if(r < 0.000){
break;
}
v = (double)4/3 * PI * r * r * r;
printf("%.3lf\n", v);
v = 0.000;
}
return 0;
}
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原文地址:http://www.cnblogs.com/cnfanhua/p/4220913.html