Cod sursa(job #60673)
Utilizator | Data | 15 mai 2007 22:47:51 | |
---|---|---|---|
Problema | Medie | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<fstream.h>
ifstream f("medie.in");
ofstream g("medie.out");
float a[9010],n,i,j,aux,k,l;
int c;
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(l=1;l<=n;l++)
if(l!=i && i!=j && j!=l)
if(a[l]==(a[j]+a[i])/2)
c++;
g<<c/2;
f.close();
g.close();
return 0;
}