Cod sursa(job #179084)
Utilizator | Data | 15 aprilie 2008 16:26:21 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<stdio.h>
int main()
{
int i,n,a,x,v[30000],t=0;
freopen("nrtri.in","r",stdin);
freopen("nrtri.out","w",stdout);
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d",&v[i]);
for(i=0;i<n-2;i++)
for(a=i+1;a<n-1;a++)
for(x=i+2;x<n;x++)
if(v[i]+v[a]>=v[x]&&v[i]+v[x]>=v[a]&&v[a]+v[x]>=v[i])
t++;
printf("%d",t);
return 0;
}