Cod sursa(job #139376)
Utilizator | Anton Flavius Valentin Vv3n0M | Data | 20 februarie 2008 00:33:48 |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.55 kb |
#include<iostream.h>
#include<fstream.h>
#include<math.h>
int main()
{
fstream f,g;
int n,i,j,k;
int bete[810];
f.open("nrtri.in",ios::in);
f>>n;
for(i=1;i<=n;i++)
f>>bete[i];
f.close();
int count=0;
for(i=1;i<=n-2;i++)
for(j=i+1;j<=n-1;j++)
for(k=j+1;k<=n;k++)
if(bete[i]<=abs(bete[k]-bete[j])&&bete[j]<=abs(bete[k]-bete[i])&&bete[i]<=abs(bete[j]-bete[k]))
count++;
g.open("nrtri.out",ios::out);
g<<count+1;
g.close();
return 0;
}