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Solutions, hints, and full test data exist online for these problems. So, don't look for them!
Note: Each program should read from standard in and write to standard out.
The contest server is on pc2.cs.purdue.edu now. From a departmental UNIX machine, use this command to get started…
% (cd /homes/jtk/pc2; bin/pc2team)
Pick a team number (team1, team2, etc.) and login with the corresponding password.