只能通过90%的测试
#include <stdio.h>
int main()
{
int a,b,c,x,y;
a=b=c=x=y=0;
scanf("%d %d %d\n%d %d",&a,&b,&c,&x,&y);
int cout=0;
while(1)
{
if((a+c<=y)&&(x-b>0)) return 0;
if(a<=y&&(x-b)>0)
{
cout++;
a=a+c;
}
else
{
cout++;
x=x-b;
if(x<=0)
break;
else
a=a-y;
}
}
printf("%d",cout);
return 0;
}[]([]([](https://edu.csdn.net/skill/program/65902?practiceId=31340523
![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/458821956886188.png "#left")
)))