Cod sursa(job #188813)
Utilizator | Burceanu Gabriel BloodRain | Data | 10 mai 2008 00:46:36 |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.5 kb |
#include<stdio.h>
long nrtri,i,j,k,n,v[801];
int main()
{
freopen("nrtri.in","r",stdin);
freopen("nrtri.out","w",stdout);
scanf("%li",&n);
for(i=1;i<=n;i++)
scanf("%li",&v[i]);
//sort();
for(i=1;i<n-1;i++)
for(j=i+1;j<n;j++)
for(k=j+1;k<=n;k++)
if(v[i]+v[k]>=v[j]&&v[i]+v[j]>=v[k]&&v[k]+v[j]>=v[i])
nrtri++;
printf("%li\n",nrtri);
return 0;
}