注意小于等于和大于等于的界限
by Erina @ 2017-10-10 13:30:58
```cpp
#include<cstdio>
using namespace std;
int main()
{long long a,c,p,q,r,x,t;
scanf("%lld%lld%lld%lld%lld%lld",&a,&c,&p,&q,&r,&x);
t=x;
while ((a<c) && (t>=p)) {a++; t-=p;}
if ((a==c) && (t>=q)) t-=q;
while ((a>=c) && (t>=r)) {a++; t-=r;}
printf("%d",a);
return 0;
}
```
by Erina @ 2017-10-10 13:32:11
可能一开始就大于c度了
by iv_vi @ 2017-10-21 19:48:14