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Random
Hot problems
CCC '24 S2 - Heavy-Light Composition
Max's Anger Contest Series 2 P3 - Array Anger
CCO '07 P2 - Snowflakes
Problem
Category
Points ▾
AC %
Users
CCO '11 P6 - Biggest (Zero Carbon) Footprint
CCO
15p
12.6%
78
CCO '12 P2 - The Hungary Games
CCO
15
24.3%
480
CCO '13 P5 - Transforming Comets
CCO
15p
19.3%
74
CCO '14 P2 - King Gruff
CCO
15p
36.2%
253
CCO '15 P1 - Hungry Fox
CCO
15p
21.4%
219
CCO '15 P2 - Artskjid
CCO
15p
15.4%
503
CCOQR '16 - Data Structure
CCC
15p
22.1%
177
CCO Preparation Test 5 P1 - City Game
Mock CCO
15
26.4%
202
CCO Preparation Test 5 P2 - Corporative Network
Mock CCO
15
7.3%
13
CCO Preparation Test 5 P3 - Minimum Cycle
Mock CCO
15p
9.4%
9
CCO Preparation Test 5 P4 - Toys
Mock CCO
15p
3.1%
2
CCO '16 P5 - Zombie Apocalypse
CCO
15p
19.1%
141
CCO '16 P2 - Splitting Hares
CCO
15p
14.2%
89
Mock CCO '17 Problem 4 - Guards
Mock CCO
15p
17.2%
52
Mock CCO '18 Contest 1 Problem 6 - A Combining Problem
Mock CCO
15p
17.6%
78
Mock CCO '18 Contest 2 Problem 1 - Victor Runs
Mock CCO
15p
16.5%
44
Mock CCO '18 Contest 3 Problem 1 - Roger Meets For DMPG
Mock CCO
15p
9.6%
12
Mock CCO '18 Contest 3 Problem 5 - Roger Outsources DMOJ Work
Mock CCO
15p
11.2%
8
Mock CCO '18 Contest 4 Problem 1 - Mining for Minerals
Mock CCO
15p
14.2%
40
Mock CCO '18 Contest 4 Problem 2 - Sunken Colonies
Mock CCO
15p
43.5%
38
Mock CCO '18 Contest 4 Problem 3 - Counterattack
Mock CCO
15p
23.6%
284
Mock CCO '18 Contest 4 Problem 4 - Time Travel
Mock CCO
15p
27.8%
56
Mock CCO '18 Contest 4 Problem 6 - Splitting Drones
Mock CCO
15p
34.6%
37
CCO '18 P4 - Gradient Descent
CCO
15p
14.4%
252
CCO '96 P3 - Quadtrees
CCO
15
48.4%
84
CCO '96 P6 - Hoppers
CCO
15
15.5%
29
CCO '99 P5 - Sum Of Products
CCO
15
4.3%
1
CCO '99 P6 - Fast Food
CCO
15
34.4%
10
CCO '00 P3 - The Game Of 31
CCO
15
54.5%
11
Mock CCO '19 Contest 1 Problem 4 - A Chemistry Problem
Mock CCO
15p
14.9%
13
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem
Mock CCO
15p
27.2%
16
Mock CCO '19 Contest 2 Problem 1 - A Dynamic Connectivity Problem
Mock CCO
15p
31.3%
70
Mock CCO '19 Contest 2 Problem 2 - A Simulation Problem
Mock CCO
15p
10.7%
8
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem
Mock CCO
15p
5.5%
5
CCO '19 P5 - Marshmallow Molecules
CCO
15p
26.6%
128
CCO '01 P6 - Election Night
CCO
15
15.2%
47
CCO '20 P2 - Exercise Deadlines
CCO
15p
29.6%
290
CCO '04 P3 - S and K
CCO
15p
4.5%
6
CCO '04 P6 - Orko
CCO
15
31.6%
42
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
CCO '12 P6 - The Winds Of War
CCO
12p
40.1%
67
CCO '13 P2 - Tourney
CCO
12p
42.3%
379
CCO '13 P3 - LHC
CCO
12p
23.3%
404
CCO Preparation Test 6 P2 - An Easy Problem
Mock CCO
12p
32.5%
204
CCO '18 P2 - Wrong Answer
CCO
12p
15.5%
117
CCO '98 P3 - Bus Schedule
CCO
12
12.5%
2
CCO '98 P6 - Derek's Dilemma
CCO
12
46.7%
4
CCO '00 P2 - Ransom Note
CCO
12p
7.7%
6
CCO '09 P6 - A Weighty Problem
CCO
12p
16.1%
76
Mock CCO '19 Contest 2 Problem 5 - A Geometry Problem
Mock CCO
12p
4.3%
2
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