Oblivion's Blog

OI

【Gym-100712 #H】Bridges

【CodeForces817F】MEX Queries

【POJ1201】Intervals

【POJ1734】Sightseeing trip

【Aizu2968】Non-trivial Common Divisor

【Gym-101473 #I】Patches

【POJ2228】Naptime

【CodeForces219D】Choosing Capital for Treeland

【URAL1018】Binary Apple Tree

【URAL1039】Anniversary Party