HDU 1049 ( Climbing Worm )

Problem : 1049 ( Climbing Worm )     Judge Status : Accepted
RunId : 5794876    Language : C++    Author : ssun
Code Render Status : Rendered By HDOJ C++ Code Render Version 0.01 Beta

#include<iostream>
using namespace std;

int main()
{
int n,u,d;
while(~scanf("%d%d%d",&n,&u,&d))
{
int time=0;
if(n==0) break;
while(n>0)
{
n = n - u;
time++;
if(n<=0) break;
n = n + d;
time++;
}
printf("%d\n",time);
}
return 0;
}