题解 | #牛牛的水杯#
牛牛的水杯
https://www.nowcoder.com/practice/c196c47c23394bf3bdd4f82a838df6bf
#include <math.h>
int main(void)
{
int h, r;
double res;
scanf("%d %d", &h, &r);
res = 10000/(3.14*h*r*r);
printf("%d\n", (int)ceil(res));
return 0;
}
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