题解 | #牛牛的水杯#
牛牛的水杯
https://www.nowcoder.com/practice/c196c47c23394bf3bdd4f82a838df6bf
#include<stdio.h>
#include<math.h>
int main()
{
float h, r;
scanf("%f%f", &h, &r);
float cup = 3.14*h*pow(r, 2);
float n =10000 / cup;
printf("%.0f\n", ceil(n)); //ceil向上取整，floor向下取整
return 0;
}
