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Hot problems
COCI '13 Contest 1 #5 Organizator
CCC '24 S4 - Painting Roads
CCC '13 S1 - From 1987 to 2013
CCC '21 S2 - Modern Art
CCC '20 J4 - Cyclic Shifts
COCI '08 Contest 3 #2 Kemija
IOI '06 P4 - The Valley of Mexico
Problem
Category
Points
AC %
Users
QCC P4 - Genetic Sequencing
Uncategorized
5p
54.3%
53
QCC P5 - Vaccine Delivery
Uncategorized
12
16.2%
26
QCC P6 - Freedom!
Uncategorized
7p
38.0%
77
Quine
Classics
10
35.6%
694
Heap Dijkstra Revisited
Data Structure Tests
10
14.0%
10
Rainy Days
Uncategorized
5p
16.3%
15
Rat In A Maze
Uncategorized
5
34.9%
169
Ray Needs Help
Uncategorized
20p
22.7%
87
Raytracing
Uncategorized
10p
50.3%
185
Riolku's Mock CCC S1 - Word Bot
Mock CCC
3p
31.9%
432
Riolku's Mock CCC S2 - Keen Keener Sequence
Mock CCC
7p
15.5%
149
Riolku's Mock CCC S2 - Keen Keener Sequence (Hard Version)
Mock CCC
12
10.6%
17
Riolku's Mock CCC S3 - Mosey's Birthday
Mock CCC
12p
11.8%
64
Riolku's Mock CCC S4 - Clumsy Cindy
Mock CCC
12p
10.7%
71
Riolku's Mock CCC S5 - Keen Keener Multiset
Mock CCC
25p
6.3%
13
A Romantic Dinner Outing
Uncategorized
20
22.8%
19
James' Rectangles
Uncategorized
10p
33.5%
88
Rectangle Counting
Uncategorized
17p
20.8%
67
You Might be a Redneck
Uncategorized
10p
8.7%
21
Find Dates
Uncategorized
7
9.0%
61
Better Censor
Uncategorized
7
22.1%
118
Return of the Digger
Uncategorized
15p
6.5%
15
Revenge of the Digger
Uncategorized
20p
33.0%
63
RGPC '17 P1 - Circle Clicking!
Uncategorized
5
15.3%
145
RGPC '17 P2 - Cubes are Life
Uncategorized
7p
19.5%
154
RGPC '17 P3 - Intercept
Uncategorized
7
20.1%
44
RGPC '17 P4 - Snow Day
Uncategorized
10p
15.6%
107
RGPC '17 P5 - Scrabble Nuts
Uncategorized
12p
13.8%
228
RGPC '18 P1 - Giant Cookie
Uncategorized
3
29.6%
264
RGPC '18 P2 - Performance Points
Uncategorized
5
8.8%
76
RGPC '18 P3 - Chocolate Day
Uncategorized
10
27.3%
302
RGPC '18 P4 - Higgs
Uncategorized
15p
18.6%
42
RGPC '18 P5 - Wormhole
Uncategorized
20p
10.8%
8
Richmond Green P1 - HSIUNG
Uncategorized
5p
35.8%
149
Richmond Green P2 - LOL
Uncategorized
3p
62.7%
232
Richmond Green P3 - ABBA
Uncategorized
10p
29.9%
60
Richmond Green P4 - HEIGHT
Uncategorized
7p
47.3%
226
Riddle Troll
Uncategorized
10
27.9%
19
ICPC RMRC 2016 J - Stack Construction
ICPC
20
37.7%
37
Road Redirection
Uncategorized
17
20.1%
25
ROI '17 P4 - Travel To Metropolis
Uncategorized
25p
11.8%
7
Rolling Encryption
Uncategorized
10
20.7%
99
Root Solver
Uncategorized
30p
5.2%
12
Recurrence Solver
Uncategorized
15p
14.6%
16
RTE '16 J1 - Board Game
Uncategorized
3
21.7%
303
RTE '16 J2 - Guidance Counselling
Uncategorized
7p
18.5%
60
RTE '16 J3 - Mule Wars
Uncategorized
5p
36.4%
59
RTE '16 S1 - Battery Pyramids
Uncategorized
7p
32.2%
81
RTE '16 S2 - Fire Evacuation Plan
Uncategorized
12p
14.9%
74
RTE '16 S3 - School Traversal
Uncategorized
7p
21.0%
283
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