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Hot problems
CCC '23 J3 - Special Event
CCC '24 S2 - Heavy-Light Composition
Problem
Category
Points
AC % ▴
Users
APIO '15 P3 - Palembang Bridges
APIO
20p
11.7%
66
Wesley's Anger Contest 1 Problem 1 - Simply a Simple Simplex Problem
WAC
5p
11.8%
174
COCI '13 Contest 1 #6 Slastičar
COCI
20p
11.8%
4
CCO '97 P4 - High Tide
CCO
10
11.8%
3
ICPC PACNW 2010 I - Zombie Fences 2: Electric Boogaloo
ICPC
35p
11.8%
2
IOI '20 P3 - Carnival Tickets
IOI
20p
11.8%
37
LKP '18 Contest 1 P5 - The Treaty of Wellacotia
Uncategorized
17p
11.8%
51
IOI '11 P1 - Tropical Garden (Standard I/O)
IOI
25p
11.8%
166
GFSSOC '17 J4 - Top Courses
GFSSOC
7
11.8%
45
CEOI '19 P2 - Dynamic Diameter
CEOI
25p
11.8%
37
DMOPC '20 Contest 6 P5 - Jennifer's Math Mystery
DMOPC
17p
11.8%
24
IOI '16 P1 - Detecting Molecules
IOI
12p
11.8%
155
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
10p
11.8%
61
NOI '21 P5 - The Locked Box
China NOI
25p
11.8%
9
CCC '97 S4 - Dynamic Dictionary Coding
CCC
5
11.8%
221
IOI '09 P7 - Regions
IOI
20p
11.9%
55
WC '07 P4 - Drain Game
Woburn Challenge
15p
11.9%
9
COCI '13 Contest 4 #5 Čokolade
COCI
15p
11.9%
5
STNBD P6 - Terminus Est
Uncategorized
35p
11.9%
54
List Minimum (Easy)
Uncategorized
3p
11.9%
850
COCI '14 Contest 1 #3 Piramida
COCI
10p
11.9%
84
COCI '17 Contest 3 #3 Retro
COCI
12p
11.9%
7
Another Contest 6 Problem 16 - Boolean (Hard)
ACC
0p
11.9%
71
DMOPC '21 Contest 3 P2 - Weak Data
DMOPC
10p
11.9%
160
COI '07 #4 Umnožak
COCI
25p
11.9%
44
DMOPC '15 Contest 2 P5 - Sysadmin
DMOPC
15p
12.0%
69
STNBD P5 - Fianna Ray Ordesia
Uncategorized
10p
12.0%
26
Mighty Cactus
Uncategorized
7
12.0%
49
IOI '18 P6 - Meetings
IOI
35p
12.0%
10
OCC '19 B5 - Gold
Olympiads School
7
12.0%
20
COCI '19 Contest 2 #4 Popcount
COCI
20p
12.0%
3
COI '13 #3 Mostovi
COCI
30p
12.0%
8
DMOPC '16 Contest 2 P6 - Console Simulator 2017
DMOPC
12p
12.0%
26
HHPC1 P4 - Yet Another A+B Problem
Uncategorized
10p
12.0%
107
DMOPC '14 Contest 5 P4 - Kittan's Dilemma
DMOPC
10p
12.0%
119
DMOPC '19 Contest 2 P6 - Two Roots
DMOPC
20p
12.0%
23
CCO Preparation Test 1 P2 - Escape Maze
Mock CCO
20p
12.0%
39
GlobeX Cup '18 S5 - Math Bash
Uncategorized
17
12.1%
19
Back From Summer '17 P6: Crowded Cities
Seasonal
20p
12.1%
122
NOI '07 P2 - Cash Exchange
China NOI
30p
12.1%
24
CCO '21 P2 - Weird Numeral System
CCO
17p
12.1%
87
WC '97 P2 - Power of Cryptography
Woburn Challenge
20
12.1%
12
CCO Preparation Test 1 P1 - Double Cross
Mock CCO
20p
12.1%
10
An Animal Contest 5 P2 (Hard Version) - Permutations & Primes
AAC
10
12.1%
51
GFSSOC '15 Winter J2 - Purchasing Presents
GFSSOC
3p
12.1%
235
IOI '17 P5 - Simurgh
IOI
40p
12.1%
16
IOI '01 P6 - Depot
IOI
30p
12.1%
39
COI '14 #2 Kovanice
COCI
15p
12.1%
19
DMOPC '16 Contest 2 P4 - Zeros
DMOPC
7p
12.1%
175
TLE '17 Contest 4 P5 - Pascal's Tree
TLE
15p
12.1%
47
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