Cod sursa(job #751161)
Utilizator | Data | 24 mai 2012 18:46:14 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<iostream>
#include<fstream>
int v[30001];
using namespace std;
int main()
{
ifstream f("nrtri.in");
ofstream g("nrtri.out");
int i,n,a=0,k,j;
f>>n;
for(i=1;i<=n;i++)
{
f>>v[i];}
for(i=1;i<=n;i++)
for(j=i+1;j<=n;j++)
if((v[i]+v[j]>v[j+1])&&(v[i]+v[j+1]>v[j])&&(v[j]+v[j+1]>v[i]))a++;
g<<a;
return 0;
}