Cod sursa(job #288690)

Utilizator diana_7Nica Lorela-Diana diana_7 Data 26 martie 2009 00:27:51
Problema Medie Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<iostream.h>
#include<fstream.h>

ifstream f("medie.in");
ofstream g("medie.out");

int main ()
{
	int i,j,k,n,V[9000],c=0;
	f>>n;
	for(i=0;i<n;i++)f>>V[i];
	for(i=0;i<n;i++)
		for(j=0;j<n-1;j++)
			for(k=j+1;k<n;k++) 
				if(V[i]*2==V[j]+V[k]&&i!=j&&i!=k&&j<k)c++;
    g<<c;
	f.close();
	g.close();
	return 0;
}