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Random
Hot problems
WC '95 P4 - Wildcard
Max's Anger Contest Series 2 P3 - Array Anger
Pick It
Cheerio Contest 1 S2 - School Expansion
CCC '24 S2 - Heavy-Light Composition
Max's Anger Contest Series 2 P2 - Password Anger
Appleby Contest '19 P5 - Matrix Operation
Problem
Category ▴
Points
AC %
Users
Path Finder 2: Electric Boogaloo
Uncategorized
15p
23.0%
26
Ray Needs Help
Uncategorized
20p
21.8%
76
UTS Open '21 P6 - Terra Mater
Uncategorized
25p
6.3%
15
Attraction
Uncategorized
10p
20.0%
74
Joshua Needs Help
Uncategorized
10
54.1%
40
Andrew Needs Help
Uncategorized
12p
26.2%
29
CPC '21 Contest 1 P3 - AQT and Circles
Uncategorized
10p
13.6%
107
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
The Heist
Uncategorized
10p
24.5%
21
James' XOR Update
Uncategorized
12p
28.7%
33
Appleby Contest '20 P5 - Ridiculous Tree
Uncategorized
15p
22.4%
61
UTS Open '21 P4 - Lucky Graph
Uncategorized
15p
16.9%
38
Appleby Contest '20 P4 - Philosophy Class
Uncategorized
12p
15.4%
86
An Extraordinarily Coordinated Christmas
Uncategorized
10p
45.7%
104
CPC '21 Contest 1 P6 - AQT's Break Time is Over
Uncategorized
20p
7.2%
26
UTS Open '21 P1 - COVID Party
Uncategorized
5p
32.3%
268
Division Queries and Updates
Uncategorized
20p
22.6%
26
Substring Scoring
Uncategorized
20p
20.5%
13
Monkey Country
Uncategorized
10
20.7%
45
Tall
Uncategorized
15p
12.4%
18
UTS Open '21 P2 - Prime Array
Uncategorized
10
27.0%
121
Appleby Contest '20 P3 - Ridiculous String
Uncategorized
10p
17.5%
188
UTS Open '21 P7 - April Fools
Uncategorized
30p
8.6%
10
Appleby Contest '20 P1 - Terrific Triangles
Uncategorized
3p
22.2%
520
Appleby Contest '20 P2 - Playful Playdoughs
Uncategorized
5p
23.9%
339
CPC '21 Contest 1 P2 - AQT and Multiset
Uncategorized
7p
22.7%
147
Bob's Rocks
Uncategorized
5
47.4%
153
DeMello's Leeches
Uncategorized
15p
56.3%
42
Bob's Temple
Uncategorized
5
55.2%
69
Chores
Uncategorized
7
26.5%
82
Avocado Trees!
Uncategorized
5
32.4%
308
Segment Tree Practice 1
Uncategorized
12
33.4%
53
Segment Tree Practice 2
Uncategorized
12
39.0%
32
Bruce's Brittle Bridges
Uncategorized
12p
31.6%
70
Segment Tree Practice 3
Uncategorized
15
47.8%
35
Segment Tree Practice 4
Uncategorized
17
43.6%
22
UCC Coding Competition '21 P1 - Counterfeit Detection
Uncategorized
3p
54.7%
408
UCC Coding Competition '21 P2 - Emerald Exchange
Uncategorized
5p
53.2%
342
UCC Coding Competition '21 P3 - Long Pizza
Uncategorized
5p
22.2%
391
UCC Coding Competition '21 P4 - Trampoline Jump
Uncategorized
7p
28.9%
137
UCC Coding Competition '21 P5 - Woodcutting Game
Uncategorized
10p
21.3%
117
Jack Needs Help
Uncategorized
10p
32.0%
20
Fast Search
Uncategorized
15p
26.6%
104
Tropical Bananas
Uncategorized
10p
43.5%
51
William and Summation
Uncategorized
7p
27.1%
58
Returning Home
Uncategorized
10
23.2%
79
Tree Paths
Uncategorized
12p
46.3%
9
Vending Machine
Uncategorized
10p
40.9%
72
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