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Hot problems
CCC '23 J3 - Special Event
CCC '24 S2 - Heavy-Light Composition
Max's Anger Contest Series 2 P2 - Password Anger
Max's Anger Contest Series 2 P3 - Array Anger
The Cosmic Era P2 - Uneven Sand
CCC '11 S1 - English or French?
CCO '07 P2 - Snowflakes
Problem
Category
Points
AC % ▴
Users
COCI '22 Contest 4 #5 Vrsta
COCI
12p
35.8%
59
CEOI '17 P2 - Sure Bet
CEOI
10p
35.8%
81
COCI '16 Contest 5 #2 Pareto
COCI
5p
35.8%
35
IOI '00 P4 - Walls
IOI
12
35.9%
224
List Minimum (Hard)
Uncategorized
5
35.9%
1664
WC '17 Contest 3 S1 - Mutual Friends
Woburn Challenge
10p
35.9%
49
Richmond Green P1 - HSIUNG
Uncategorized
5p
35.9%
146
ECOO '13 R3 P2 - Mutant Children
ECOO
10p
35.9%
12
DMOJ Capture The Flag '20 C2 - Small RSA
CTF
5
35.9%
98
COCI '23 Contest 2 #4 Kuglice
COCI
12p
35.9%
35
Educational DP Contest AtCoder P - Independent Set
Uncategorized
12
35.9%
312
Valentine's Day '18 J1 - The Cactus Number
Mock CCC
3p
35.9%
208
DMOPC '19 Contest 4 P1 - Valid Strings
DMOPC
5p
35.9%
537
SAC '22 Code Challenge 5 P4 - Querying Intervals
SAC Coding Challenge
10p
35.9%
118
IOI '10 P1 - Cluedo
IOI
5p
36.0%
137
VM7WC '15 #4 Gold - Chain Rule
VM7WC
10
36.0%
372
WC '18 Finals S2 - Top Billing
Woburn Challenge
12p
36.0%
43
CCC '06 J5 - CCC Othello
CCC
10p
36.0%
228
SAC '21 Code Challenge P2 - Littering
SAC Coding Challenge
5p
36.0%
262
Mock CCC '18 Contest 3 J3/S1 - A String Problem
Mock CCC
5p
36.0%
352
RTE '16 J3 - Mule Wars
Uncategorized
5p
36.0%
57
Summer Institute '17 Contest 1 P3 - CEO Queue
SIUCF
15
36.0%
6
COCI '10 Contest 4 #5 Dugovi
COCI
12p
36.0%
20
COCI '12 Contest 4 #2 Esej
COCI
5
36.0%
35
VMSS '15 #4 - Frank and Roads
VM7WC
10
36.0%
463
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem
SAC Coding Challenge
3
36.0%
210
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
36.0%
1196
COCI '21 Contest 6 #3 Naboj
COCI
10p
36.0%
113
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card
Mock CCC
3p
36.1%
962
DWITE '12 R1 #1 - Candy Piles
DWITE
3
36.1%
89
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
MWC '15 #2 P5: Watchmeblink1
MWC
7
36.1%
53
CCC '21 J3 - Secret Instructions
CCC
5p
36.1%
2514
Another Sorting
Uncategorized
5p
36.1%
429
Cheerio Contest 2 P1 - Cow Pasture
Uncategorized
3p
36.1%
41
Another Contest 4 Problem 11 - Three Rectangles
ACC
0
36.1%
53
Valentine's Day '18 J4 & S1 - Carol's Cute Cactus
Mock CCC
7
36.1%
191
ACM U of T Tryouts C2 A - The Super Mario Blues
ICPC
5
36.1%
301
COCI '11 Contest 6 #4 Rez
COCI
10p
36.2%
29
DMPG '15 S3 - Zen Garden
DMOPC
7p
36.2%
295
CCC '07 S1 - Federal Voting Age
CCC
3
36.2%
2328
CCO '96 P2 - SafeBreaker
CCO
10
36.2%
89
CCO '17 P4 - Rainfall Storage
CCO
20p
36.2%
177
Graph Contest 2 P1 - Connected Components
Uncategorized
7
36.2%
250
CCO '14 P2 - King Gruff
CCO
15p
36.2%
253
CCO '16 P4 - O Canada
CCO
10p
36.2%
264
DWITE '09 R2 #3 - Binary Test String
DWITE
5
36.2%
38
Canada Day Contest 2021 - CCC Bad Haha
Seasonal
12
36.2%
248
XOR Minimum
Uncategorized
17p
36.2%
135
COCI '11 Contest 1 #5 Sort
COCI
12p
36.2%
30
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