delete pics to save space

This commit is contained in:
2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions

11
2.10491.cpp Normal file
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#include<cstdio>
double a,b,c;
int main()
{
#ifdef local
freopen("pro.in","r",stdin);
#endif
while(scanf("%lf%lf%lf",&a,&b,&c)==3)
printf("%.5lf\n",(a*b+b*(b-1))/((a+b)*(a+b-c-1)));
return 0;
}