Cod sursa(job #2548618)
Utilizator | Albert Maftei NightChips | Data | 16 februarie 2020 20:38:56 |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include <fstream>
using namespace std;
ifstream fin("nrtri.in");
ofstream fout("nrtri.out");
int main()
{ int n,nr=0;
fin>>n;
int v[n];
for(int i=0;i<n;i++) fin>>v[i];
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
for(int k=0;k<n;k++)
if(v[i]+v[j]>v[k]&&v[i]+v[k]>v[j]&&v[j]+v[k]>v[i]&&i!=j&&j!=k&&k!=i) nr++;
fout<<nr/3;
}