Cod sursa(job #356509)

Utilizator Liviu.G.Girbea Liviu Liviu.G. Data 14 octombrie 2009 23:10:54
Problema Numarare triunghiuri Scor 70
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int main()
{int v[801],i,n,k=0,l,j;
ifstream f("nrtri.in");
ofstream g("nrtri.out");
f>>n;
for(i=1;i<=n;i++)f>>v[i];
for(i=1;i<=n-2;i++)
	for(j=i+1;j<=n-1;j++)
		for(l=j+1;l<=n;l++)if(v[i]+v[j]>=v[l]&&v[j]+v[l]>=v[i]&&v[l]+v[i]>=v[j])k++;
g<<k;
f.close();
g.close();
return 0;
}