Cod sursa(job #32955)
Utilizator | Data | 18 martie 2007 19:08:46 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<iostream.h>
#include<fstream.h>
main()
{int n,i,j,k,x=0,a[100];
fstream f("nrtri.in",ios::in);
fstream g("nrtri.out",ios::out);
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<n-1;i++)
for(j=i+1;j<n;j++)
for(k=j+1;k<=n;k++)
if((a[i]+a[j]>=a[k])||(a[i]+a[k]>=a[j])||(a[k]+a[j]>=a[i]))
x++;
g<<x;}