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;
}