Cod sursa(job #129937)

Utilizator gabybrezoiuBrezoiu Gabriel gabybrezoiu Data 30 ianuarie 2008 18:00:29
Problema Triplete Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.58 kb
#include<fstream.h>
int a[20][20],n;
int test(int x,int y, int z) //verifica daca x,y,z sunt triplet
{
return a[x][y]*a[x][z]*a[y][z];
}
void main()
{
ifstream f("triplete.in");
ofstream g("triplete.out");
int m,x,y,i,j,k,q=0;
f>>n>>m;
//n persoane, m relatii de prietenie
for(i=1;i<=m;i++)
   {
   f>>x>>y;
   a[x][y]=1;
   a[y][x]=1;
   }
for(i=1;i<=n;i++)
   {
   for(j=1;j<=n;j++)
      g<<a[i][j]<<" ";
   g<<endl;
   }
g<<endl;
for(i=1;i<n-1;i++)
   for(j=i+1;j<n;j++)
      for(k=j+1;k<=n;k++)
	 if(test(i,j,k))
	   q++;
g<<q;
f.close();
g.close();
}