Cod sursa(job #2338495)
Utilizator | Data | 7 februarie 2019 15:54:25 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.6 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream in ("nrtri.in");
ofstream out ("nrtri.out");
int main()
{
int n,i,v[801],j,t,c=0;
in>>n;
for(i=1;i<=n;i++)
{
in>>v[i];
}
sort(v+1,v+n+1);
for(i=1;i<=n-2;i++)
{
for(j=i+1;j<=n-1;j++)
{
for(t=j+1;t<=n;t++)
{
if(v[t]<=v[i]+v[j])
{
c++;
}
else
{
break;
}
}
}
}
out<<c;
return 0;
}