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Hot problems
CCC '24 S2 - Heavy-Light Composition
Educational DP Contest AtCoder G - Longest Path
DWITE '10 R3 #3 - Dominos Tiling
Linked List
EGOI '23 P4 - Bikes vs Cars
CCC '20 S4 - Swapping Seats
A Math Contest P5 - Good Arrays
Problem
Category
Points ▴
AC %
Users
Good Sets
Uncategorized
10p
27.2%
32
Another Contest 9 Problem 4 - Alchemy
ACC
10
13.0%
22
Baltic OI '04 P2 - Scales
Baltic OI
10p
44.4%
4
Baltic OI '04 P5 - Rectangles
Baltic OI
10p
10.0%
5
Baltic OI '03 P3 - Table
Baltic OI
10p
9.1%
2
JOI '22 Final P1 - Intercastellar
JOI
10p
56.0%
25
DMOPC '22 Contest 1 P2 - Hat Swap
DMOPC
10p
24.0%
228
Baltic OI '01 P1 - Postman
Baltic OI
10p
18.7%
25
Magic Bits
Uncategorized
10p
13.1%
40
BSSPC '22 P6 - Permutations & Primogems
Uncategorized
10p
16.8%
108
BSSPC '22 P7 - Exec Team Applications
Uncategorized
10p
22.9%
87
Baltic OI '01 P6 - Teleports
Baltic OI
10p
37.8%
24
Yet Another Contest 5 P2 - Big Score
YAC
10p
13.0%
94
SGS Programming Challenge P2 - Vending Machine in Lunch
Uncategorized
10p
12.2%
54
BSSPC '22 P8 - Bayview's RGB Gaming PC
Uncategorized
10
26.9%
77
Yet Another Contest 7 P2 - Coprime Grid
YAC
10p
22.4%
202
MCIPC Contest 2 P5 - Holiday Chocolates
Uncategorized
10p
26.0%
7
Waterloo 2022 Fall A - Zero AAMP Currents
Waterloo Local
10
62.5%
26
EGOI '22 P1 - SubsetMex
EGOI
10p
36.8%
58
EGOI '22 P5 - Data Centers
EGOI
10p
33.6%
31
Yet Another Contest 6 P3 - No More Cell Phone Messaging
YAC
10p
13.1%
105
COCI '22 Contest 1 #2 Čokolade
COCI
10p
24.0%
68
DMOPC '22 Contest 4 P2 - Fake Painting
DMOPC
10p
18.6%
89
DMOPC '22 Contest 3 P2 - New Components
DMOPC
10p
17.9%
161
COCI '22 Contest 2 #2 Ekspert
COCI
10p
22.4%
95
NOIP '04 P3 - Chorus Formation
China NOI
10p
29.6%
28
WOSS Dual Olympiad 2022 Team Round P3: Bobby and the Sidewalk
Seasonal
10p
29.0%
42
NOIP '08 P2 - Expression by Matches
China NOI
10p
52.5%
25
Mock CCC '23 1 S3 - Richard The Penguin
Mock CCC
10p
5.9%
27
NOIP '22 P1 - Flower Planting
China NOI
10p
29.0%
39
Mock CCC '23 2 S3 - Richard The Penguin
Mock CCC
10p
3.9%
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
COCI '22 Contest 4 #2 Zrinka
COCI
10p
36.1%
52
CCC '23 S3 - Palindromic Poster
CCC
10p
15.4%
420
CCC '23 J5 - CCC Word Hunt
CCC
10p
24.2%
532
Google Code Jam '22 Round 1C Problem A - Letter Blocks
Google Code Jam
10p
19.0%
4
Google Code Jam '22 Round 1C Problem B - Squary
Google Code Jam
10p
22.2%
5
Google Code Jam '09 Round 1A Problem C - Collecting Cards
Google Code Jam
10p
60.0%
3
Google Code Jam '10 Qualification Round Problem C - Theme Park
Google Code Jam
10p
40.0%
3
Google Code Jam '10 Round 1A Problem B - Make it Smooth
Google Code Jam
10p
15.0%
3
Google Code Jam '14 Qualification Round Problem C - Deceitful War
Google Code Jam
10p
40.0%
2
Google Code Jam '14 Round 1A Problem B - Full Binary Tree
Google Code Jam
10p
75.0%
4
Google Code Jam '16 Round 1A Problem C - BFFs
Google Code Jam
10p
66.7%
2
Google Code Jam '17 Qualification Round Problem C - Bathroom Stalls
Google Code Jam
10p
66.7%
2
Google Code Jam '18 Round 1A Problem A - Waffle Choppers
Google Code Jam
10p
66.7%
4
Google Code Jam '18 Round 1A Problem B - Bit Party
Google Code Jam
10p
24.1%
5
Google Code Jam '19 Qualification Round Problem C - Cryptopangrams
Google Code Jam
10p
12.2%
4
Google Code Jam '20 Round 1A Problem C - Square Dance
Google Code Jam
10p
35.3%
5
Google Code Jam '22 Round 1B Problem B - Controlled Inflation
Google Code Jam
10p
66.7%
4
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