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Hot problems
CCC '15 S3 - Gates
CCC '16 S4 - Combining Riceballs
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity
CCC '23 J3 - Special Event
ECOO '19 R1 P1 - Free Shirts
Problem
Category
Points
AC %
Users
DMOPC '17 Contest 3 P5 - Picnic Planning
DMOPC
15
23.5%
14
DMOPC '17 Contest 4 P5 - Revised IOI
DMOPC
12
27.2%
40
DMOPC '17 Contest 5 P5 - XOR Bridges
DMOPC
15p
18.7%
56
DMOPC '18 Contest 1 P3 - Sorting
DMOPC
12p
22.1%
96
DMOPC '18 Contest 1 P4 - Sorting
DMOPC
12p
14.2%
86
DMOPC '18 Contest 1 P5 - Sorting
DMOPC
12p
24.7%
32
DMOPC '18 Contest 2 P5 - Another Sequence Problem
DMOPC
15p
12.7%
49
DMOPC '18 Contest 3 P4 - Bob and English Class
DMOPC
15p
34.1%
126
DMOPC '18 Contest 3 P5 - Bob and Physics Class
DMOPC
15p
12.0%
16
DMOPC '18 Contest 4 P4 - Dr. Henri and Lab Data
DMOPC
12p
35.6%
298
DMOPC '18 Contest 5 P4 - An Art Gallery Problem
DMOPC
12p
13.0%
72
DMOPC '19 Contest 1 P3 - Simple Math
DMOPC
12
17.4%
46
DMOPC '19 Contest 1 P4 - A Strange Graph
DMOPC
15p
9.7%
17
DMOPC '19 Contest 2 P3 - Selection
DMOPC
12
38.8%
164
DMOPC '19 Contest 2 P4 - A Greedy Problem
DMOPC
15p
20.6%
85
DMOPC '19 Contest 3 P3 - Majority
DMOPC
12p
48.3%
280
DMOPC '19 Contest 3 P4 - Same Colour Leaves
DMOPC
15
33.4%
127
DMOPC '19 Contest 4 P3 - Taking Cues
DMOPC
12p
19.9%
84
DMOPC '19 Contest 4 P4 - Math Class
DMOPC
15p
3.4%
16
DMOPC '19 Contest 5 P3 - Captivating Construction Challenge
DMOPC
12p
45.0%
121
DMOPC '19 Contest 6 P4 - Grade 12 Math
DMOPC
15p
23.7%
128
DMOPC '19 Contest 7 P3 - Tree Pruning
DMOPC
12p
21.6%
145
DMOPC '20 Contest 2 P4 - Hungry Pigeons
DMOPC
15p
11.0%
66
DMOPC '20 Contest 3 P3 - A Ring of Buckets
DMOPC
12p
6.8%
58
DMOPC '20 Contest 3 P4 - Bob and Typography
DMOPC
15p
2.5%
9
DMOPC '20 Contest 4 P3 - Roving Roombas
DMOPC
12p
20.4%
192
DMOPC '20 Contest 4 P4 - Javelin Throwing
DMOPC
15p
20.0%
57
DMOPC '20 Contest 5 P3 - Bottom Row
DMOPC
15p
6.6%
40
DMOPC '20 Contest 5 P4 - Slacking Off
DMOPC
15p
13.5%
82
DMOPC '21 Contest 10 P3 - Peculiar Reflections
DMOPC
12p
14.1%
75
DMOPC '21 Contest 1 P3 - Mystery DAG
DMOPC
12
15.6%
114
DMOPC '21 Contest 2 P3 - Divisions
DMOPC
12p
8.8%
78
DMOPC '21 Contest 2 P4 - Water Mechanics
DMOPC
15p
23.4%
56
DMOPC '21 Contest 3 P3 - Hopping Frogs
DMOPC
15p
21.9%
53
DMOPC '21 Contest 4 P3 - Palindromic Presents
DMOPC
12p
22.5%
170
DMOPC '21 Contest 5 P3 - Permutations & Primes
DMOPC
12p
16.1%
152
DMOPC '21 Contest 6 P4 - Colourful Paths
DMOPC
15p
9.1%
100
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami
DMOPC
12p
13.7%
83
DMOPC '21 Contest 9 P3 - Terrible Trains
DMOPC
12p
23.4%
97
DMOPC '22 Contest 1 P3 - Group Project
DMOPC
12p
14.0%
96
DMOPC '22 Contest 1 P4 - Card Game
DMOPC
12p
15.8%
63
DMOPC '22 Contest 2 P3 - Good Permutations
DMOPC
12p
20.0%
126
DMOPC '22 Contest 3 P3 - Ina's Takodachis
DMOPC
15p
5.8%
60
DMOPC '22 Contest 4 P3 - K-Knight
DMOPC
15
15.8%
46
DMOPC '22 Contest 5 P3 - Sorted XOR
DMOPC
12p
16.1%
70
DMOPC '23 Contest 1 P3 - Colour Scheme
DMOPC
12p
10.9%
87
DMPG '15 G2 - 1-String B2-VPG Representation of Planar Graphs
DMOPC
15p
18.4%
30
DMPG '15 G5 - ExpedColle
DMOPC
15p
10.6%
58
DMPG '15 S5 - Black and White
DMOPC
12p
24.9%
460
DMPG '16 G1 - Explooooosion!
DMOPC
15p
6.3%
101
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