Cod sursa(job #2326200)
Utilizator | Raul Somesan raulsomesan | Data | 23 ianuarie 2019 13:21:09 |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | cpp-64 | Status | done |
Runda | simulare_preoli | Marime | 0.53 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("nrtri.in");
ofstream fout("nrtri.out");
int v[30005];
int main()
{
int n;
fin >> n;
for(int i = 1 ; i <= n ; ++i)
fin >> v[i];
int contor = 0;
for(int i = 1 ; i <= n - 2 ; ++i)
for(int j = i + 1 ; j <= n - 1 ; ++j)
for(int k = j + 1 ; k <= n ; ++k)
if((v[i] <= v[j] + v[k]) && (v[j] <= v[i] + v[k]) && (v[k] <= v[i] + v[j]))
++contor;
fout << contor;
}