/* UVa problem: <number>
 *   OR
 * Kattis ID: <id>
 *
 * Topic: (see topic list)
 *
 * Level: 1 point / 2 points
 * 
 * Brief problem description: 
 *
 *   ...
 *
 * Solution Summary:
 *
 *   Algorithmic idea, data structures ...
 *
 * Used Resources:
 *
 *   ...
 *
 * I hereby certify that I have produced the following solution myself 
 * using the resources listed above in accordance with the CMPUT 403 
 * collaboration policy.
 *
 * --- (Your Name)
 */