Cod sursa(job #566100)
| Utilizator |  Iulian Popescu iulishor |
Data | 28 martie 2011 17:31:08 |
|---|---|---|---|
| Problema | Medie | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream>
using namespace std;
double a[100];
int i,j,k,nr,n;
double x;
int main()
{
ifstream f("medie.in");
ofstream g("medie.out");
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=n;i++)
for(j=1;j<n;j++)
for(k=j+1;k<=n;k++)
if(i!=j && i!=k)
{
x=(a[j]+a[k])/2;
if(a[i]==x)
nr++;
}
g<<nr;
}