题目链接:https://www.luogu.org/problem/P1426
代码:
#include <bits/stdc++.h>
using namespace std;
int main()
{
//freopen("in.txt","r",stdin);
//freopen("out.txt","w",stdout);
double s,x,a=7.0,sum=0;
cin>>s>>x;
while(sum<(s-x)){ //当下一秒就游入探测器范围时所走的路程;
sum += a;
a *= 0.98;
}
sum += a; //游入探测器范围后一秒所游的路程;
if(sum>(s+x)){
cout<<"n"<<endl;
}else{
cout<<"y"<<endl;
}
return 0;
}
原文:https://www.cnblogs.com/zz9100/p/11255389.html