#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int l,d;//live die
double r;//rate
scanf("%d %d",&l,&d);
r=(double)l/d;
printf("%.3lf",r);
return 0;
}
Life-to-death ratio
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Origin blog.csdn.net/qq_51082388/article/details/111994463
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