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Hot problems
CCC '20 S4 - Swapping Seats
CCC '24 J4 - Troublesome Keys
CCC '20 J4 - Cyclic Shifts
Singularity Cup P1 - Maximum Permutation Product
Strict Evaluation
Singularity Cup P2 - Reverse Substring Partitioning
CCC '13 S1 - From 1987 to 2013
Problem
Category
Points
AC %
Users
Rubik's Cube Solver
Uncategorized
50p
0.6%
2
Ancient Castle Ruins
Uncategorized
25p
2.8%
1
Rule of Lemons
Uncategorized
10
16.7%
5
SAC '21 Code Challenge P1 - Shrinkage
SAC Coding Challenge
3
51.0%
529
SAC '21 Code Challenge P2 - Littering
SAC Coding Challenge
5p
36.0%
267
SAC '21 Code Challenge P3 - DeMello's Replacement
SAC Coding Challenge
5
19.7%
204
SAC '21 Code Challenge P4 - Averaging Averages
SAC Coding Challenge
5p
29.3%
243
SAC '21 Code Challenge P5 - Friends of Friends
SAC Coding Challenge
7p
22.5%
263
SAC '22 Code Challenge 1 P1 - That Teacher
SAC Coding Challenge
3
67.9%
660
SAC '22 Code Challenge 1 P2 - That Circle
SAC Coding Challenge
3
48.4%
250
SAC '22 Code Challenge 1 P3 - That Pool
SAC Coding Challenge
7p
16.9%
88
SAC '22 Code Challenge 1 P4 - That Problem
SAC Coding Challenge
7p
19.7%
76
SAC '22 Code Challenge 1 P5 - That Wall
SAC Coding Challenge
12
27.2%
38
SAC '22 Code Challenge 2 P1 - Calendar Management
SAC Coding Challenge
5
32.4%
96
SAC '22 Code Challenge 2 P2 - Cookie Sprinkler
SAC Coding Challenge
5
52.9%
106
SAC '22 Code Challenge 2 P3 - Rating Choices
SAC Coding Challenge
7
37.4%
82
SAC '22 Code Challenge 2 P4 - Cookie Galore
SAC Coding Challenge
10
36.1%
105
SAC '22 Code Challenge 2 P5 - Even Colouring
SAC Coding Challenge
10p
34.4%
84
SAC '22 Code Challenge 3 Junior P1 - Normal Problem
SAC Coding Challenge
3p
66.5%
343
SAC '22 Code Challenge 3 Junior P2 - Normal Lines
SAC Coding Challenge
3p
67.4%
293
SAC '22 Code Challenge 3 Junior P3 - Normal Probabilities
SAC Coding Challenge
3p
68.5%
253
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions
SAC Coding Challenge
5p
28.2%
174
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding
SAC Coding Challenge
10p
17.9%
35
SAC '22 Code Challenge 3 P1 - Hair Hazards
SAC Coding Challenge
3
74.4%
560
SAC '22 Code Challenge 3 P2 - Unicycle License
SAC Coding Challenge
5
41.2%
273
SAC '22 Code Challenge 3 P3 - Bob Sort
SAC Coding Challenge
5p
25.9%
165
SAC '22 Code Challenge 3 P4 - Finding Friends
SAC Coding Challenge
15p
22.0%
69
SAC '22 Code Challenge 3 P5 - Chat Corrections
SAC Coding Challenge
12p
16.0%
43
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem
SAC Coding Challenge
3
62.7%
264
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem
SAC Coding Challenge
3p
51.9%
213
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem
SAC Coding Challenge
5p
26.6%
173
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem
SAC Coding Challenge
7p
18.2%
101
SAC '22 Code Challenge 4 Junior P5 - Obligatory Output Only Problem
SAC Coding Challenge
10
24.6%
38
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem
SAC Coding Challenge
3
35.6%
216
SAC '22 Code Challenge 4 P2 - Obligatory String Problem
SAC Coding Challenge
5
35.1%
146
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem
SAC Coding Challenge
5
38.6%
208
SAC '22 Code Challenge 4 P4 - Obligatory Subarray Problem
SAC Coding Challenge
10p
21.7%
93
SAC '22 Code Challenge 4 P5 - Obligatory Interactive Problem
SAC Coding Challenge
12p
15.2%
57
SAC '22 Code Challenge 5 Junior P1 - Monkey, Type!
SAC Coding Challenge
3
67.6%
264
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring
SAC Coding Challenge
3
70.5%
310
SAC '22 Code Challenge 5 Junior P3 - Media List
SAC Coding Challenge
5p
38.1%
317
SAC '22 Code Challenge 5 Junior P4 - Course Requirements
SAC Coding Challenge
7p
52.0%
264
SAC '22 Code Challenge 5 Junior P5 - English Summative
SAC Coding Challenge
10p
26.4%
79
SAC '22 Code Challenge 5 P1 - Querying Plants
SAC Coding Challenge
3
66.0%
233
SAC '22 Code Challenge 5 P2 - Querying Extensions
SAC Coding Challenge
5p
72.8%
334
SAC '22 Code Challenge 5 P3 - Querying Presents
SAC Coding Challenge
7p
51.0%
105
SAC '22 Code Challenge 5 P4 - Querying Intervals
SAC Coding Challenge
10p
35.9%
120
SAC '22 Code Challenge 5 P5 - Querying Rectangles
SAC Coding Challenge
15p
15.5%
38
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma
Uncategorized
15p
16.2%
83
Sales
Uncategorized
20p
18.5%
66
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