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Cod sursa(job #661897)
#include<fstream>
using namespace std;
int main()
{
ifstream siin("secv3.in");
ofstream siaut("secv3.out");
unsigned long i,j,k,n,min,max;
int a[30005],b[30005],cash=0,taim=0,maxim=0;
siin>>n>>min>>max;
for(i=0;i<n;i++)
{
siin>>a[i];
a[i]=a[i]*100;
}
for(i=0;i<n;i++)
{
siin>>b[i];
cash=taim=0;
for(j=i;j<i+min;j++)
{
cash+=a[j];
taim+=b[j];
}
if(cash/taim>maxim)
maxim=cash/taim;}
for(j=i;j>i+min&&j<i+max;j++)
{
cash+=a[j];
taim+=b[j];
if(cash/taim>maxim)
maxim=cash/taim;
}
siaut<<(float)maxim/100<<'\n';
return 0;
}