OJ-Problems-Source/HDOJ/2632_autoAC.cpp
2016-08-24 18:19:33 +08:00

25 lines
408 B
C++

#include <iostream>
#include <cstdio>
#include <cstring>
#define N 1000010
#define esp 1e-10
using namespace std;
int main()
{
int t;
scanf("%d",&t);
while(t--)
{
double x,a,b;
scanf("%lf%lf%lf",&x,&a,&b);
int ans=0;
while(x*(1-b)>=a+esp)
{
ans++;
x*=(1-b);
}
printf("Samuel will change the appearance for %d time(s),before he decide to sell it.\n",ans);
}
return 0;
}