ICPC
Sunday, November 9, 2025 at 11:00EST


Solutions and Judges' Data for the 2025 East Division Regional Contests
Comprising Northeast North America, East Central North American and the Greater New York Area

Each problem specified the time limit in seconds for a single test case run.
All programs were limited to a total of 2GB of RAM.
These limits were enforced by the Contest Control System judging software.
The 2GB memory limit specified INCLUDES the memory used by the execution environment.

The Judges

Greater New YorkEast Central NANortheast NA
John BuckJohn BonomoZack Butler
Fred PickelSean McCullochLiam Keliher
Chris LentBob RoosFinn Lidbetter

You can download the problem statements, sample data, judges' data and judges' solutions all zipped together.

ProblemJudges' SolutionsSample Data FilesSecret Judges' Data
A - A Little Leftover Pizza Judges' Solutions Sample Input/Output Judges' Input/Output
B - Andor Strikes Again Judges' Solutions Sample Input/Output Judges' Input/Output
C - AROD Judges' Solutions Sample Input/Output Judges' Input/Output
D - But I Want to Win Judges' Solutions Sample Input/Output Judges' Input/Output
E - Chess Solitaire Judges' Solutions Sample Input/Output Judges' Input/Output
F - Fractional Sequence Judges' Solutions Sample Input/Output Judges' Input/Output
G - How Many Balls? Judges' Solutions Sample Input/Output Judges' Input/Output
H - Move It, Slowpoke! Judges' Solutions Sample Input/Output Judges' Input/Output
I - Number Pyramid Judges' Solutions Sample Input/Output Judges' Input/Output
J - Polyomino Tiling Judges' Solutions Sample Input/Output Judges' Input/Output
K - Triptych Judges' Solutions Sample Input/Output Judges' Input/Output
L - Valley Gulls Judges' Solutions Sample Input/Output Judges' Input/Output

ICPC North America East Division Home Page. Last modified . Please email the North American Championship system's team at NACSystems@icpc.global with comments, questions, or corrections.