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Cod sursa(job #136472)
#include<fstream.h>
#include<iomanip.h>
using namespace std;
int main()
{int s1=0,s2=0,L,U,N,i,j=0,k=0,v[1000],u[1000],x,y,l;float w[1000],aux=0;
ifstream f("secv3.in");
f>>N;f>>L;f>>U;
for(i=1;i<=N;i++)
{f>>x;
v[j]=x;
j++;}
for(i=1;i<=N;i++)
{f>>y;
u[k]=y;
k++;}
f.close();
for(i=U;i<=L;i++)
for(l=1;l<=i;l++)
{s1=s1+v[l];
s2=s2+u[l];
w[l]=s1/s2;
if(w[l]>aux) aux=w[l];}
ofstream g("secv3.out");
g<<setiosflags(ios::showpoint)<<setprecision(2)<<aux;
g.close();
return 0;
}