Cod sursa(job #1550213)
Utilizator | Data | 13 decembrie 2015 13:22:17 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.45 kb |
#include <fstream>
using namespace std;
int main()
{
ifstream cin("nrtri.in");
ofstream cout("nrtri.out");
int n, a[810], p=0;
cin>>n;
for(int i=1; i<=n; i++)
cin>>a[i];
for(int i=1; i<=n; i++){
for(int j=i+1; j<=n; j++){
for(int k=j+1; k<= n; k++)
if(a[i]+a[j]>=a[k] && a[k]+a[i]>=a[j] && a[j]+a[k] >=a[i])
p++;
}
}
cout<<p;
return 0;
}