Perechi de elemente in vector

Perechi de numere consecutive

( v[i] , v[i+1] ): for (i=1; i<=n-1; i++)

( v[i-1] , v[i] ): for (i=2; i<=n; i++)

Triplete de numere consecutive

( v[i-2] , v[i-1] , v[i] ): for (i=3; i<=n; i++)

( v[i-1] , v[i] , v[i+1] ): for (i=2; i<=n-1; i++)

( v[i] , v[i+1] , v[i+2] ): for (i=1; i<=n-2; i++)

Perechi de numere neconsecutive

Crescător (v[i]<v[j]): for (i=1; i<=n-1; i++); for (j=i+1; j<=n; j++)

Descrescător (v[i]>v[j]): for (i=2; i<=n; i++); for (j=1; j<=i-1; j++)