Cod sursa(job #20140)
Utilizator | solomon odette odette | Data | 20 februarie 2007 19:33:24 |
---|---|---|---|
Problema | Trapez | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include<fstream.h>
ifstream f("trapez.in");
ofstream g("trapez.out");
int n,x,y,v[100],z[100],vx[100],vy[100],t,nr,i,j;
int main()
{f>>n;
for(i=1;i<=n;i++)
{f>>x>>y;
vx[i]=x;
vy[i]=y;}
nr=0;
for(i=1;i<=n;i++)
{v[nr]=vx[i]-vx[j];
z[nr]=vy[i]-vy[j];
nr++;}
t=0;
for(i=1;i<=nr;i++)
for(j=i+1;j<=nr;j++)
{if(v[j]==v[i])
t++;
}
g<<t;
f.close();
g.close();
return 0;}