Cod sursa(job #3175025)
Utilizator | Data | 25 noiembrie 2023 11:40:39 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.63 kb |
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("nrtri.in");
ofstream fout("nrtri.out");
int v[805];
int main()
{
int n,l=0;
fin>>n;
for(int i=1; i<=n; i++)
{
fin>>v[i];
}
sort(v+1,v+1+n);
for(int i=1; i<=n; i++)
{
for(int j=i+1; j<=n; j++)
{
for(int k=j+1; k<=n; k++)
{
//cout<<v[i]<<" "<<v[j]<<" "<<v[k]<<'\n';
if(v[i] + v[j] >= v[k]){
l++;
}
}
}
}
fout<<l;
//
return 0;
}