Problem A
Source
Input Data
Output Data
Solution by James Koppel in C++

Problem B
Source (Problem A)
Test Data (Problem A)
Solution by Nathaniel Barshay in C++

Problem C
Source (Problem C)
Test Data (Problem C)
Solution by Jonathon Paulson in Java

Problem D
Source (Problem H)
Test Data (Problem H)
Solution by Dennis Meng in Java

Problem E
Source and Data (Problem D)
Solution by Jinyu Liu in Java

Problem F
Source and Data (Problem I)
Solution by Nathaniel Barshay in Java
Solution by Tom Conerly in Java