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Hot problems
CCC '24 J4 - Troublesome Keys
COCI '22 Contest 4 #1 7Krokods
CCC '24 S2 - Heavy-Light Composition
CCC '19 J3 - Cold Compress
CCC '24 J5 - Harvest Waterloo
COCI '23 Contest 5 #1 Zlagalica
CCC '24 S3 - Swipe
Problem
Category
Points
AC %
Users ▾
UTS Open '15 #6 - Tetrahedra
Uncategorized
40p
30.1%
26
DMOPC '16 Contest 2 P6 - Console Simulator 2017
DMOPC
12p
12.0%
26
ICPC ECNA 2016 E - Red Rover
ICPC
7
49.0%
26
TLE '16 Contest 5 P2 - Playing Piano
TLE
10p
15.6%
26
TLE '16 Contest 6 (Mock CCC) S5 - Toll Routes
TLE
20p
3.9%
26
DMPG '17 G1 - FatalWhale and Candies
DMOPC
15p
13.2%
26
ECOO '17 R2 P3 - Lunch Time
ECOO
12p
16.0%
26
APIO '12 P3 - Kunai
APIO
40p
12.2%
26
ECOO '14 R3 P3 - Future City
ECOO
10p
26.9%
26
TLE '17 Contest 1 P5 - Cake
TLE
15p
15.0%
26
Waterloo 2017 Fall C - Computer Science
Waterloo Local
10p
28.8%
26
DWITE '09 R5 #5 - Weak Passwords
DWITE
5
38.5%
26
DWITE '08 R3 #5 - Now in 3D
DWITE
7
78.7%
26
ICHB Selection Contest '17 Problem 2 - Black Star's Visit
Uncategorized
7p
8.5%
26
DMPG '18 G4 - Variation
DMOPC
15p
31.5%
26
JOI '18 Open P1 - Bubble Sort 2
JOI
20p
5.2%
26
Triway Cup '19 Summer E - Solar Power
Seasonal
5
21.1%
26
Another Contest 5 Problem 4 - Tudor Interacts With Poop
ACC
15p
16.1%
26
IOI '19 P2 - Split the Attractions
IOI
40p
5.1%
26
DMOPC '19 Contest 5 P6 - Cecilia's Computational Crisis
DMOPC
20p
8.2%
26
COCI '19 Contest 2 #3 Checker
COCI
12p
28.7%
26
ACM U of T Tryouts C1 F - Foxic Expressions
ICPC
15
15.1%
26
NOI '01 P6 - Secret of the Meteorite
China NOI
15p
27.4%
26
Good Celebration
Uncategorized
12
13.2%
26
IOI '95 P1 - Packing Rectangles
IOI
15p
45.3%
26
WC '17 Contest 4 S1 - Wakandan Sabotage
Woburn Challenge
10p
19.1%
26
WC '16 Contest 2 J2 - EHC
Woburn Challenge
7p
11.1%
26
Secret Room
Uncategorized
25p
8.4%
26
Path Finder 2: Electric Boogaloo
Uncategorized
15p
23.3%
26
DMOPC '20 Contest 2 P6 - Unfair Game
DMOPC
25p
16.0%
26
CPC '21 Contest 1 P6 - AQT's Break Time is Over
Uncategorized
20p
7.2%
26
COCI '11 Contest 2 #4 KompičI
COCI
7p
16.2%
26
COCI '11 Contest 3 #5 Plaće
COCI
12p
28.2%
26
COCI '16 Contest 7 #4 Poklon
COCI
15p
17.1%
26
COCI '13 Contest 5 #5 Trokuti
COCI
15p
23.6%
26
COCI '17 Contest 7 #2 Timovi
COCI
7p
43.2%
26
COCI '21 Contest 2 #4 Magneti
COCI
25p
24.4%
26
Baltic OI '11 P1 - Growing Trees
Baltic OI
20p
23.2%
26
COCI '21 Contest 5 #2 Dijamant
COCI
10p
26.8%
26
Waterloo 2022 Fall A - Zero AAMP Currents
Waterloo Local
10
62.5%
26
ETSR '23 Onsite Round 2 Problem 1 - Bracket
Uncategorized
12p
8.4%
26
Waterloo 2023 Fall D - Reptilian Communism
Waterloo Local
7
25.4%
26
TSOC '15 Contest 1 #2 - Special Store
TSOC
7p
10.4%
25
Mock CCO '17 Problem 6 - Dire Consequences
Mock CCO
20
24.2%
25
COCI '08 Contest 2 #6 Cavli
COCI
25p
14.1%
25
COCI '15 Contest 5 #2 Multigram
COCI
5
39.8%
25
Triway Cup '19 Summer B - Cameras
Seasonal
5
28.4%
25
CEOI '19 Practice P3 - Tower Defense
CEOI
12p
13.9%
25
VPEX P3 - Coding Club
Uncategorized
12p
4.7%
25
QCC P5 - Vaccine Delivery
Uncategorized
12
16.2%
25
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