题解 | #牛牛的球#
牛牛的球
https://www.nowcoder.com/practice/203ca3114f8845a9bbd673bae6c5dd2b
#include <stdio.h>
#include<math.h>
int main() {
int r;
scanf("%d",&r);
//float v=(4/3.0)*(3.14)*r*r*r;
float v=(4.0/3.0)*(3.14)*r*r*r;//要加.0
printf("%-5.2f\n",v);
return 0;
}
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