题解 | 牛牛的水杯

#include <stdio.h>
int main()
{
    int h,r,i = 0;
    float v,a = 0;
    scanf("%d %d",&h,&r);
    v = 3.14*h*r*r;
    i = 10*1000/v;
    a = 10*1000/v;
    if(i > a){
        printf("%d",i);
    }
    else{
        printf("%d",i+1);
    }
    return 0;
}