Cod sursa(job #663207)
Utilizator | Data | 17 ianuarie 2012 23:28:29 | |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.61 kb |
#include<fstream>
using namespace std;
ifstream f("nrtri.in");
ofstream g("nrtri.out");
int n,i,j,k,s[805],aux,contor=0;
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>s[i];
for(i=1;i<=n;i++)
for(j=i+1;j<=n;j++)
if(s[i]>s[j])
{
aux=s[i];
s[i]=s[j];
s[j]=aux;
}
for(i=1;i<=n;i++)
for(j=i+1;j<=n;j++)
for(k=j+1;k<=n;k++)
if(s[i]+s[j]>=s[k])
contor++;
g<<contor;
g.close();
return 0;
}