#include<bits/stdc++.h>
using namespace std;
int main()
{
double h,u,d,f,ht,c;
while(cin>>h>>u>>d>>f && h)
{
ht=c=0;
f=f*u/100;
while(1)
{
c++;
if(u>0)ht+=u;
u-=f;
if(ht>h) break;
ht-=d;
if(ht<0) break;
}
if(ht>=0) cout<<"success on day "<<c<<endl;
else cout<<"failure on day "<<c<<endl;
}
return 0;
}
using namespace std;
int main()
{
double h,u,d,f,ht,c;
while(cin>>h>>u>>d>>f && h)
{
ht=c=0;
f=f*u/100;
while(1)
{
c++;
if(u>0)ht+=u;
u-=f;
if(ht>h) break;
ht-=d;
if(ht<0) break;
}
if(ht>=0) cout<<"success on day "<<c<<endl;
else cout<<"failure on day "<<c<<endl;
}
return 0;
}
No comments:
Post a Comment