c语言求助

#include<stdio.h>void main(){int PI=3,v,r,h,total=20000;printf("输入水桶的底面半径和高：");scanf("%d %d",&r,&h);while(r<=0||h<=0){printf("水桶的半径和高必须是大于0的整数!\n\n");printf("输入水桶的底面半径和高：");scanf("%d %d",&r,&h);}v=PI*r*r*h;v%total>0?printf("%d",((v/total)+1)):printf("%d",(v/total));printf("\n");}