In closing, it is always an inspira-
tion to meet with such outstanding
and active students, whether virtually
or in person, and UPE is pleased to
recognize their activities and achieve-
ments. If you’re considering starting
a UPE chapter at your school, there is
no better time than right now to start
the ball rolling. Cheers,
1. Austrin, P. Merry, B. and Wojtaszczyk, J.O.
ICPC World Finals 2019 Solution sketches;
finals2019solutions.pdf. Accessed 2019 May 7.
2. ICPC Challenge problem set; http://myicpc.
2019 May 7.
3. ICPC International Collegiate Programming
Contest; https://icpc.baylor.edu/. Accessed
2019 May 7.
4. ICPC World Finals Problem Set; https://icpc.
Accessed 2019 May 7.
5. Upsilon Pi Epsilon website; http://upe.acm.
org/. Accessed 2019 May 7.
Jeffrey L. Popyack
Professor of Computer
The College of Computing &
Philadelphia, PA 19104
DOI: 10.1145/3345624 Copyright held by author/owner
Table 1: “First Solvers” of each problem, with the time of submission.
Problem Team Time (minutes)
E. Dead-End Detector University of Warsaw 14
A. Azulejos Nanjing University 2 1
D. Circular DNA Fudan University 27
H. Hobson's Trains Belarusian State University of Informatics and Radioelectronics 28
B. Beautiful Bridges École Normale Supérieure de Paris 44
G. First of Her Name University of Warsaw 55
J. Miniature Golf Moscow State University 72
F. Directing Rainfall Massachusetts Institute of Technology 168
K. Traffic Blights Massachusetts Institute of Technology 243
I. Karel the Robot Moscow State University 245
C. Checks Post Facto Not solved