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Cod sursa(job #62538)
#include<iostream.h>
int main()
{
int k=0,n;
int v[800];
ifstream in("nrtri.in");
in>>n;
for(i=1;i<=n;i++)
in>>v[i];
in.close();
for(i=1;i<n-1;i++)
for(j=i+1;j<n;j++)
for(k=j+1;k<=n;k++)
if(v[i]*v[i]+v[j]*v[j]>=v[k]*v[k]&&v[i]*v[i]+v[k]*v[k]>=v[j]*v[j]&&v[k]*v[k]+v[j]*v[j]>=v[i]*v[i]&&) k++;
ofstram out("nrtri.out");
out<<k;
out.close();
return 0;
}