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Random
Hot problems
Cheerio Contest 1 S2 - School Expansion
Appleby Contest '19 P5 - Matrix Operation
CCC '16 S4 - Combining Riceballs
Max's Anger Contest Series 2 P3 - Array Anger
CCCHK '15 J4 - Where to build my house?
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma
WC '96 P6 - Bases Multiplication
Problem
Category
Points
AC %
▴
Users
DMOPC '20 Contest 4 P1 - Missing Numbers
DMOPC
5p
14.4%
379
DMOPC '21 Contest 6 P3 - An Art Problem
DMOPC
10p
21.9%
249
Another Contest 6 Problem 9 - Obligatory Wood IV Problem
ACC
0p
100.0%
1616
COCI '20 Contest 6 #1 Bold
COCI
5p
67.7%
163
COCI '20 Contest 6 #2 Alias
COCI
10p
42.3%
149
COCI '20 Contest 6 #3 Anagramistica
COCI
12p
44.6%
91
COCI '20 Contest 6 #4 Geometrija
COCI
25p
10.2%
8
COCI '20 Contest 6 #5 Index
COCI
15p
50.0%
105
An Animal Contest 1 P2 - Alpaca Racing
AAC
5p
8.1%
548
An Animal Contest 1 P3 - Happy Alpacas
AAC
7p
20.6%
486
An Animal Contest 1 P5 - Odd Alpacas
AAC
12p
27.6%
107
An Animal Contest 1 P1 - Alpaca Shapes
AAC
3p
39.9%
2413
An Animal Contest 1 P6 - Alpaca Distancing
AAC
12p
20.1%
108
An Animal Contest 2 P0 - Koala Matchmaking
AAC
3
50.0%
1177
An Animal Contest 1 P4 - Alpaca Arrays
AAC
10p
12.4%
245
Another Contest 6 Problem 12 - A Pretty Standard Problem Involving Judge Kirito
ACC
0p
6.9%
13
DMOPC '20 Contest 6 P1 - Tug of War
DMOPC
7p
14.8%
175
Canada Day Contest 2021 - 0-1
Seasonal
20p
48.7%
61
DMOPC '20 Contest 5 P1 - Home Row
DMOPC
3
34.9%
447
SAC '21 Code Challenge P1 - Shrinkage
SAC Coding Challenge
3
51.2%
492
SAC '21 Code Challenge P2 - Littering
SAC Coding Challenge
5p
36.0%
262
COCI '20 Contest 4 #1 Pizza
COCI
5p
62.8%
151
Canada Day Contest 2021 - Bob and Canada
Seasonal
7p
34.5%
214
Canada Day Contest 2021 - Fine Art
Seasonal
7
26.9%
127
Canada Day Contest 2021 - CCC Bad Haha
Seasonal
12
36.2%
248
Canada Day Contest 2021 - Starfall
Seasonal
15
32.4%
112
SAC '21 Code Challenge P5 - Friends of Friends
SAC Coding Challenge
7p
22.2%
255
SAC '21 Code Challenge P4 - Averaging Averages
SAC Coding Challenge
5p
26.8%
203
An Animal Contest 2 P5 - Koala Carnival
AAC
15p
34.8%
98
An Animal Contest 2 P6 - Koala Transport System
AAC
17p
22.2%
61
An Animal Contest 2 P2 - Koala Party
AAC
5p
16.5%
292
SAC '21 Code Challenge P3 - DeMello's Replacement
SAC Coding Challenge
5
19.5%
201
Marcus Approximation
Uncategorized
12p
33.3%
43
An Animal Contest 2 P4 - Koala Gambling
AAC
12
19.8%
197
An Animal Contest 2 P1 - Koala Konundrum
AAC
5
44.5%
492
Koala Ball
Uncategorized
12p
32.2%
14
DMOPC '20 Contest 5 P6 - Top Row
DMOPC
35p
3.1%
5
DMOPC '20 Contest 5 P5 - Slacking Off Again
DMOPC
20p
17.6%
32
DMOPC '20 Contest 5 P4 - Slacking Off
DMOPC
15p
13.5%
82
CPC '21 Contest 1 P5 - AQT and Modern Art
Uncategorized
15p
15.8%
45
QCC P2 - Online School
Uncategorized
5p
30.9%
83
An Animal Contest 2 P3 - Koala Balloons
AAC
12p
15.2%
180
ECOO '21 P1 - Many Messages
ECOO
3p
28.9%
451
ECOO '21 P2 - DNA Derren
ECOO
3p
58.7%
330
ECOO '21 P3 - Quintessential Questions
ECOO
3p
63.9%
225
ECOO '21 P4 - Chris' Candy
ECOO
7p
23.6%
109
ECOO '21 P5 - Waldwick's Walk
ECOO
17p
21.6%
23
ECOO '21 P6 - Problematic Pathways
ECOO
30p
9.2%
4
Baltic OI '13 P1 - Ball Machine
Baltic OI
15p
23.4%
14
BSSPC '21 S4 - Child Prodigy Chadstin
Uncategorized
17p
6.7%
25
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