Cod sursa(job #1668591)
Utilizator | Data | 29 martie 2016 21:36:58 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
int n,i,v[801],j,k,nr=0;
fstream f("nrtri.in",ios::in);
fstream g("nrtri.out",ios::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(k=j+1;j<=n;j++)
if((v[i]+v[j]>v[k]) && (v[i]+v[k]>v[j]) && (v[k]+v[j]>v[i]))
nr++;
g<<nr;
}