Cod sursa(job #740012)
Utilizator | Data | 24 aprilie 2012 15:14:59 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include<fstream>
using namespace std;
int main()
{
int nrt=0,a[800],i,j,n,aux;
ifstream f("nrtri.in");
ofstream g("nrtri.out");
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<n;i++)
for(j=i;j<=n;j++)
if(a[i]<a[j])
{
aux=a[i];
a[i]=a[j];
a[j]=aux;
}
for(i=1;i<=n;i++)
for(j=i;j<n;j++)
if(a[i]>=a[j]+a[j+1])
nrt++;
g<<nrt;
f.close();
g.close();
return 0;
}