Cod sursa(job #1610960)

Utilizator florinasAsavei florinas Data 23 februarie 2016 20:52:58
Problema Numarare triunghiuri Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.44 kb
#include<fstream>
#include<algorithm>
using namespace std;
ifstream f("nrtri.in");
ofstream g("nrtri.out");
int n,i,j,k,v[801],sol;
int main()
{
    f>>n;
    for(i=1;i<=n;++i)
        f>>v[i];
    sort(v+1,v+n+1);
   for(int i=1;i<=n-2;++i)
        for(int j=i+1;j<=n-1;++j)
            for(int k=j+1;k<=n;++k)
                if(v[i]+v[j]>=v[k]) sol++;
                    else break;
    g<<sol;
    g.close();
    return 0;
}