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Hot problems
CCC '21 J3 - Secret Instructions
Problem
Category
Points
AC %
▴
Users
NOIP '22 P3 - Facility Construction
China NOI
17p
17.6%
14
NOIP '22 P4 - Contest
China NOI
25p
10.4%
7
Mock CCC '23 2 S1 - Composite Fibonacci Numbers
Mock CCC
3p
23.2%
282
Mock CCC '23 2 S2 - Keenan Hates Triangles
Mock CCC
7p
2.3%
38
Mock CCC '23 2 S3 - Richard The Penguin
Mock CCC
10p
3.9%
13
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem
Mock CCC
25p
11.5%
4
Mock CCC '23 2 S4 - Roger Says Yabe
Mock CCC
15p
19.0%
7
EGOI '23 P8 - Guessing Game
EGOI
50p
4.0%
7
Waterloo 2023 Winter B - Laser Trap
Waterloo Local
12
22.2%
13
Waterloo 2023 Winter C - Sandpile on Clique
Waterloo Local
10
31.0%
13
Waterloo 2023 Winter D - Link-Cut Tree
Waterloo Local
10
69.6%
14
Waterloo 2023 Winter E - Colourful Tree
Waterloo Local
25
4.5%
4
Waterloo 2023 Winter A - So I'll Max Out My Constructive Algorithm Skills
Waterloo Local
5
32.9%
23
Google Code Jam '22 Qualification Round Problem E - Twisty Little Passages
Google Code Jam
20p
57.1%
3
Google Code Jam '08 Qualification Round Problem B - Saving the Universe
Google Code Jam
5p
33.3%
4
Google Code Jam '08 Qualification Round Problem A - Fly Swatter
Google Code Jam
20p
0.0%
0
Google Code Jam '08 Qualification Round Problem C - Train Timetable
Google Code Jam
7p
50.0%
4
Google Code Jam '08 Round 1A Problem A - Minimum Scalar Product
Google Code Jam
5p
68.4%
11
Google Code Jam '08 Round 1A Problem B - Milkshakes
Google Code Jam
7p
66.7%
2
Google Code Jam '08 Round 1A Problem C - Numbers
Google Code Jam
20p
22.2%
4
Google Code Jam '09 Round 1A Problem A - Multi-base happiness
Google Code Jam
12p
40.0%
3
Google Code Jam '09 Round 1A Problem B - Crossing the Road
Google Code Jam
15p
11.1%
1
Google Code Jam '09 Round 1A Problem C - Collecting Cards
Google Code Jam
10p
60.0%
3
Google Code Jam '09 Qualification Round Problem C - Welcome to Code Jam
Google Code Jam
7p
19.0%
4
Google Code Jam '09 Qualification Round Problem B - Watersheds
Google Code Jam
5p
33.3%
4
Google Code Jam '09 Qualification Round Problem A - Alien Language
Google Code Jam
5p
63.6%
5
Google Code Jam '10 Qualification Round Problem B - Snapper Chain
Google Code Jam
5p
42.9%
6
Google Code Jam '10 Qualification Round Problem C - Theme Park
Google Code Jam
10p
40.0%
3
Google Code Jam '10 Qualification Round Problem A - Fair Warning
Google Code Jam
7p
40.0%
2
Google Code Jam '10 Round 1A Problem A - Rotate
Google Code Jam
7
50.0%
5
Google Code Jam '10 Round 1A Problem B - Make it Smooth
Google Code Jam
10p
15.0%
3
Google Code Jam '10 Round 1A Problem C - Number Game
Google Code Jam
20p
60.0%
3
Google Code Jam '11 Qualification Round Problem A - Bot Trust
Google Code Jam
5
57.1%
3
Google Code Jam '11 Qualification Round Problem C - Magicka
Google Code Jam
5p
42.9%
3
Google Code Jam '11 Qualification Round Problem B - Candy Splitting
Google Code Jam
7p
57.1%
4
Google Code Jam '11 Qualification Round Problem D - GoroSort
Google Code Jam
15p
33.3%
2
Google Code Jam '11 Round 1A Problem A - FreeCell Statistics
Google Code Jam
5p
44.4%
3
Google Code Jam '11 Round 1A Problem B - The Killer Word
Google Code Jam
12p
22.2%
2
Google Code Jam '11 Round 1A Problem C - Pseudominion
Google Code Jam
17p
0.0%
0
Google Code Jam '12 Qualification Round Problem A - Speaking in Tongues
Google Code Jam
3p
36.8%
10
Google Code Jam '12 Qualification Round Problem B - Dancing With the Googlers
Google Code Jam
5p
30.8%
3
Google Code Jam '12 Qualification Round Problem C - Recycled Numbers
Google Code Jam
5p
40.0%
2
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors
Google Code Jam
15p
33.3%
1
Google Code Jam '12 Round 1A Problem A - Password Problem
Google Code Jam
5p
71.4%
2
Google Code Jam '12 Round 1A Problem B - Kingdom Rush
Google Code Jam
7p
22.2%
2
Google Code Jam '12 Round 1A Problem C - Cruise Control
Google Code Jam
30p
0.0%
0
Google Code Jam '13 Round 1A Problem A - Bullseye
Google Code Jam
7p
16.7%
4
Google Code Jam '13 Round 1A Problem B - Manage your Energy
Google Code Jam
7p
11.1%
2
Google Code Jam '13 Qualification Round Problem A - Tic-Tac-Toe-Tomek
Google Code Jam
7p
72.7%
6
Google Code Jam '13 Qualification Round Problem B - Lawnmower
Google Code Jam
7p
40.0%
2
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