Math

UVA 1654 - Pairs of Integers

UVA 1644 - Prime Gap

UVA 294 - Divisors

UVA 1404 - Prime k-tuple

ACM-ICPC 2013 - Counting Ones

Geometria

UVA 10005 - Packing Polygons input output

UVA 11227 - The Silver Bullet source code

Onion Layers input output

Ball Stacking input output