Cod sursa(job #2338477)
Utilizator | Data | 7 februarie 2019 15:33:15 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 80 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include<bits/stdc++.h>
using namespace std;
ifstream in ("nrtri.in");
ofstream out ("nrtri.out");
int v[801],n;
int main()
{
int i,j,q,cnt=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(q=j+1; q<=n; q++)
if(v[q]<=v[j]+v[i])
cnt++;
out<<cnt;
return 0;
}