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Random
Hot problems
APIO '10 P1 - Commando
COCI '08 Contest 3 #6 Najkraci
CCC '24 J5 - Harvest Waterloo
TSS Club Fair 2017 Problem B
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
DWITE '10 R3 #3 - Dominos Tiling
Problem
Category
Points
AC %
▴
Users
CPC '21 Contest 1 P1 - AQT and Fractions
Uncategorized
5p
16.2%
252
CPC '21 Contest 1 P0 - AQT and Alphabet
Uncategorized
3
71.6%
370
CPC '21 Contest 1 P4 - AQT and Directed Graph
Uncategorized
12p
30.1%
252
DMOPC '20 Contest 1 P3 - Victor's Algorithm
DMOPC
7p
36.2%
293
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma
DMOPC
5
44.3%
523
DMOPC '20 Contest 2 P5 - Majority Subarrays
DMOPC
25p
6.6%
22
DMOPC '20 Contest 2 P6 - Unfair Game
DMOPC
25p
16.0%
26
World Tour Contest Problem 1 — Solar Eclipse
Seasonal
5
1.6%
16
World Tour Contest Problem 3 — Translation
Seasonal
10p
0.1%
2
James' XOR Update
Uncategorized
12p
28.7%
33
Appleby Contest '20 P5 - Ridiculous Tree
Uncategorized
15p
22.4%
61
Baltic OI '06 P5 - RLE Compression
Baltic OI
20
11.1%
5
Appleby Contest '20 P4 - Philosophy Class
Uncategorized
12p
15.4%
86
CPC '21 Contest 1 P6 - AQT's Break Time is Over
Uncategorized
20p
7.2%
26
COCI '20 Contest 1 #1 Patkice
COCI
5p
25.2%
120
COCI '20 Contest 1 #2 Bajka
COCI
7p
43.2%
55
COCI '20 Contest 1 #3 3D Histogram
COCI
30p
22.2%
5
COCI '20 Contest 1 #4 Papričice
COCI
17p
23.1%
46
COCI '20 Contest 1 #5 Tenis
COCI
17p
18.8%
7
Wesley's Anger Contest 6 Problem 1 - Timbit Sales
WAC
3
61.8%
300
DMOPC '20 Contest 2 P4 - Hungry Pigeons
DMOPC
15p
11.0%
66
DMOPC '20 Contest 2 P3 - Roadrollification
DMOPC
10p
32.7%
124
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents
DMOPC
5p
25.9%
416
Wesley's Anger Contest 6 Problem 2 - Cheap Christmas Lights
WAC
5p
21.1%
234
Tall
Uncategorized
15p
12.4%
18
Wesley's Anger Contest 6 Problem 4 - Runway Lights
WAC
12p
14.0%
87
Wesley's Anger Contest 6 Problem 7 - SantaTracker++
WAC
25p
16.1%
7
COCI '20 Contest 2 #1 Crtanje
COCI
5p
35.6%
271
COCI '20 Contest 2 #2 Odašiljači
COCI
10p
20.1%
47
COCI '20 Contest 2 #3 Euklid
COCI
17p
19.6%
24
COCI '20 Contest 2 #4 Sjekira
COCI
12p
39.9%
64
COCI '20 Contest 2 #5 Svjetlo
COCI
25p
54.5%
11
Wesley's Anger Contest 6 Problem 8 - Crystal Disco
WAC
30p
19.8%
9
Wesley's Anger Contest 6 Problem 6 (Easy Version) - Santa's Candy Factory
WAC
20p
9.1%
31
Wesley's Anger Contest 6 Problem 5 - Canadian Christmas Cactus
WAC
15p
16.6%
56
COCI '20 Contest 3 #1 Knjige
COCI
7
26.1%
48
COCI '20 Contest 3 #2 Vlak
COCI
10p
46.0%
49
DMOPC '20 Contest 3 P1 - Present Checking
DMOPC
5p
50.0%
436
Appleby Contest '20 P3 - Ridiculous String
Uncategorized
10p
17.5%
188
DMOPC '20 Contest 3 P4 - Bob and Typography
DMOPC
15p
2.5%
9
Wesley's Anger Contest Reject 3 - Christmas Carols
WAC
25p
14.4%
13
Riolku's Mock CCC S3 - Mosey's Birthday
Mock CCC
12p
11.7%
63
COCI '20 Contest 3 #3 Sateliti
COCI
17p
20.0%
36
COCI '20 Contest 3 #4 Selotejp
COCI
15p
40.8%
47
COCI '20 Contest 3 #5 Specijacija
COCI
25p
28.3%
6
Riolku's Mock CCC S4 - Clumsy Cindy
Mock CCC
12p
10.7%
70
Wesley's Anger Contest 6 Problem 3 - Difference Sorting
WAC
10p
16.2%
118
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks
DMOPC
7p
13.1%
160
Appleby Contest '20 P1 - Terrific Triangles
Uncategorized
3p
22.2%
521
Another Contest 6 Problem 8 - #define int long long
ACC
0p
58.7%
240
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