Cod sursa(job #702926)
Utilizator | Data | 2 martie 2012 10:07:37 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream f("nrtri.in");
ofstream g("nrtri.out");
int n,v[801],i,j,p,s;
int main()
{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(p=j+1;p<=n;p++)
{
if(v[i]<=v[j]+v[p]&&v[j]<=v[i]+v[p]&&v[p]<=v[i]+v[j])
s++;
}
}
}
g<<s;
return 0;
}