Cod sursa(job #1387485)
Utilizator | Data | 14 martie 2015 11:53:32 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.54 kb |
#include <iostream>
#include <fstream>
using namespace std;
int n,i,j,k,sol=0,v[1000];
int main()
{
ifstream f("nrtri.in");
ofstream g("nrtri.out");
f>>n;
for(i=0;i<n;i++)
f>>v[i];
for(i=0;i<n-2;i++)
{
for(j=i+1;j<n-1;j++)
{
for(k=j+1;k<n;k++)
{
if((v[i]+v[j]>=v[k])&&(v[i]+v[k]>=v[j])&&(v[j]+v[k]>=v[i]))
{
sol++;
}
}
}
}
g<<sol<<"\n";
return 0;
}