Cod sursa(job #704323)

Utilizator al.mocanuAlexandru Mocanu al.mocanu Data 2 martie 2012 17:28:18
Problema Numarare triunghiuri Scor 85
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <algorithm>
using namespace std;

ifstream f("nrtri.in");
ofstream g("nrtri.out");

int n,v[801],i,j,p,s=0,aux,a[30001];

int main()
{f>>n;
for(i=1;i<=n;i++)
f>>v[i];

sort(v+1,v+n+1);

for(i=1;i<=n-2;i++)
{for(j=i+1;j<=n-1;j++)
{for(p=j+1;p<=n;p++)
{if(v[i]+v[j]>=v[p])
	s++;
}
}
}

g<<s;

    return 0;
}