Colored Sticks Time Limit: 5000MS Memory Limit: 128000K Total Submissions: 27097 Accepted: 7175 Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a st…
Phone List Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 26559 Accepted: 8000 Description Given a list of phone numbers, determine if it is consistent in the sense that no number is the prefix of another. Let's say the phone catalogue li…
Find the Clones Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 7704 Accepted: 2879 Description Doubleville, a small town in Texas, was attacked by the aliens. They have abducted some of the residents and taken them to the a spaceship orbi…