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Hot problems
CCC '13 S1 - From 1987 to 2013
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
Dynamic Range Minimum Test
SAC '22 Code Challenge 5 Junior P4 - Course Requirements
CCC '09 J3 - Good Times
CCC '24 J4 - Troublesome Keys
CCC '20 S4 - Swapping Seats
Problem
Category
Types
Points
AC %
Users
CCC '04 S2 - TopYodeller
CCC
Implementation
5
21.3%
768
CCC '04 S3 - Spreadsheet
CCC
Graph Theory
10
27.3%
628
CCC '04 S4 - Space Turtle
CCC
Geometry
10p
20.0%
192
CCC '04 S5 - Super Plumber
CCC
Dynamic Programming
10p
23.9%
419
CCC '05 J1 - The Cell Sell
CCC
Implementation
3
8.3%
1565
CCC '05 J2 - RSA Numbers
CCC
Implementation
3
40.5%
3114
CCC '05 J3 - Returning Home
CCC
Implementation
5
37.0%
2464
CCC '05 J4 - Cross Spiral
CCC
Simulation
7p
32.6%
607
CCC '05 J5 - Bananas
CCC
Recursion
,
String Algorithms
10
21.5%
1502
CCC '05 S1 - Snow Calls
CCC
Implementation
5
43.2%
2343
CCC '05 S2 - Mouse Move
CCC
Simple Math
5
37.4%
1740
CCC '05 S3 - Quantum Operations
CCC
Implementation
10p
34.3%
465
CCC '05 S4 - Pyramid Message Scheme
CCC
Graph Theory
10
35.7%
855
CCC '05 S5 - Pinball Ranking
CCC
Data Structures
,
Divide and Conquer
12p
19.4%
767
CCC '06 J1 - Canadian Calorie Counting
CCC
Implementation
3
27.1%
7712
CCC '06 J2 - Roll the Dice
CCC
Implementation
3
27.2%
3191
CCC '06 J3 - Cell-Phone Messaging
CCC
Implementation
3
41.5%
1542
CCC '06 J4 - It's tough being a teen!
CCC
Graph Theory
7
41.6%
1285
CCC '06 J5 - CCC Othello
CCC
Implementation
10p
36.7%
242
CCC '06 S1 - Maternity
CCC
Implementation
5
37.6%
1176
CCC '06 S2 - Attack of the CipherTexts
CCC
Implementation
5
5.6%
277
CCC '06 S3 - Tin Can Telephone
CCC
Geometry
12
20.5%
544
CCC '06 S4 - Groups
CCC
Intermediate Math
10
44.9%
348
CCC '06 S5 - Origin of Life
CCC
Graph Theory
,
Implementation
15
19.6%
128
CCC '07 J1 - Who is in the Middle?
CCC
Implementation
3
47.0%
9737
CCC '07 J2 - I Speak TXTMSG
CCC
Implementation
3
21.8%
2406
CCC '07 J3 - Deal or No Deal Calculator
CCC
Implementation
3
32.4%
3497
CCC '07 J4 - Anagram Checker
CCC
Implementation
5
37.3%
2228
CCC '07 J5 - Keep on Truckin'
CCC
Dynamic Programming
7
19.8%
1118
CCC '07 S1 - Federal Voting Age
CCC
Simple Math
3
36.1%
2400
CCC '07 S2 - Boxes
CCC
Implementation
5
27.4%
1278
CCC '07 S3 - Friends
CCC
Graph Theory
7
37.4%
1762
CCC '07 S4 - Waterpark
CCC
Dynamic Programming
,
Graph Theory
7
31.2%
1563
CCC '07 S5 - Bowling for Numbers
CCC
Dynamic Programming
10p
30.2%
899
CCC '08 J1 - Body Mass Index
CCC
Simple Math
3
34.8%
5825
CCC '08 J2 - Do the Shuffle
CCC
Implementation
3
43.1%
3697
CCC '08 J3 - GPS Text Entry
CCC
Implementation
3
55.3%
1426
CCC '08 J4 - From Prefix to Postfix
CCC
Intermediate Math
7
42.9%
926
CCC '08 S1 - It's Cold Here!
CCC
Implementation
5
37.6%
2256
CCC '08 S2 - Pennies in the Ring
CCC
Geometry
5
30.8%
1228
CCC '08 S3 - Maze
CCC
Graph Theory
7
29.3%
1623
CCC '08 S4 - Twenty-four
CCC
Recursion
10
25.4%
867
CCC '08 S5 - Nukit
CCC
Dynamic Programming
,
Game Theory
10p
37.4%
732
CCC '09 J1 - ISBN
CCC
Simple Math
3
47.3%
3887
CCC '09 J2 - Old Fishin' Hole
CCC
Implementation
5
38.5%
1719
CCC '09 J3 - Good Times
CCC
Implementation
5
20.3%
1469
CCC '09 J4 - Signage
CCC
Implementation
7
29.1%
719
CCC '09 S1 - Cool Numbers
CCC
Simple Math
5
22.9%
2078
CCC '09 S2 - Lights Going On and Off
CCC
Implementation
10
41.0%
927
CCC '09 S3 - Degrees Of Separation
CCC
Graph Theory
10
28.0%
1399
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