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Week 5: Combinatorics
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Contest is over.
1 hour, 40 minutes long, starting on 28 Aug 2026, 04:20 pm
Problems
Problem
Points
AC rate
Users
Editorial
A
Presenters
presenters
1
p
43.5%
9
Editorial
B
Stickers
stickers
1
p
38.9%
7
Editorial
C
Four Multiples
fourmultiples
1
p
64.3%
8
Editorial
D
Difficulties
difficulties
1
p
85.7%
6
Editorial
E
Lecture Gap
lecturegap
1
p
36.4%
4
Editorial
F
Redemption
redemption
1
p
29.0%
16
Editorial
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