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Hot problems
NOI '15 P2 - Software Package Manager
CCC '22 J3 - Harp Tuning
Knapsack 4
ECOO '17 R3 P1 - Baker Brie
CCC '08 S4 - Twenty-four
A Game
DMOPC '19 Contest 7 P5 - Soriya's Programming Project
Problem
Category
Points
AC % ▾
Users
SAC '22 Code Challenge 1 P3 - That Pool
SAC Coding Challenge
7p
16.2%
83
MEC '16 P4 - Circuitry
Seasonal
15p
16.2%
21
OCC '19 B2 - Cinematic
Olympiads School
5
16.2%
75
UTS Open '18 P6 - Subset Sum
Uncategorized
25p
16.1%
22
Wesley's Anger Contest 6 Problem 7 - SantaTracker++
WAC
25p
16.1%
7
Another Contest 3 Problem 2 - Camelot
ACC
15
16.1%
73
Waterloo 2001 Fall 1 E - A Multiplication Game
Waterloo Local
7
16.1%
3
DMOPC '19 Contest 6 P6 - Math is Difficult
DMOPC
25p
16.1%
28
DMOPC '14 Contest 4 P4 - Sketchley Park
DMOPC
12p
16.1%
101
COCI '16 Contest 1 #4 Mag
COCI
15p
16.1%
65
Another Contest 5 Problem 4 - Tudor Interacts With Poop
ACC
15p
16.1%
26
Balkan OI '11 P5 - Time Is Money
Balkan OI
30p
16.1%
46
WC '01 P5 - The Man With The Golden Eye
Woburn Challenge
12
16.1%
16
APIO '08 P2 - Roads
APIO
20p
16.1%
82
IOI '03 P6 - Seeing the Boundary
IOI
20p
16.1%
63
CCO '09 P6 - A Weighty Problem
CCO
12p
16.1%
76
APIO '07 P2 - Backup
APIO
25p
16.1%
69
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
371
MWC '15 #3 P2: Mechanical Pencils
MWC
5p
16.1%
17
ACSL '09 Practice P7 - Cube
Uncategorized
15
16.1%
27
DMOPC '20 Contest 1 P6 - Victor Identifies Software
DMOPC
25p
16.1%
32
Another Contest 6 Problem 15 - Boolean (Medium)
ACC
0p
16.1%
86
WC '01 Suicidal P3 - Regis
Woburn Challenge
7
16.0%
36
Crosswords
Uncategorized
15p
16.0%
4
COCI '11 Contest 5 #5 Blokovi
COCI
20p
16.0%
3
CCC '99 S5 - Letter Arithmetic
CCC
12
16.0%
77
TLE '17 Contest 6 P3 - Spencer and Contest
TLE
7p
16.0%
63
ECOO '17 R2 P3 - Lunch Time
ECOO
12p
16.0%
26
CCO '20 P5 - Interval Collection
CCO
25p
16.0%
60
DMOPC '22 Contest 4 P3 - K-Knight
DMOPC
15
16.0%
42
Mock CCC '22 Contest 2 J5 - Dominating the Olympics
Mock CCC
10
16.0%
76
IOI '14 P6 - Holiday
IOI
30
16.0%
81
DMOPC '20 Contest 2 P6 - Unfair Game
DMOPC
25p
16.0%
26
Graph Contest 1 P3 - Counting Cycles
Uncategorized
10
16.0%
113
WC '99 Suicidal P6 - Wedding Juicer
Woburn Challenge
15
16.0%
34
DMOPC '21 Contest 4 P5 - Graph Generator
DMOPC
20p
16.0%
17
TSOC '16 Contest 2 #6 - Hinata and Volleyball Graph
TSOC
7p
15.9%
12
HCI '16 - Danger Room
Uncategorized
7p
15.9%
23
DMPG '17 B5 - Hackathons
DMOPC
7p
15.9%
159
ICPC NAQ 2016 D - Brackets
ICPC
15
15.9%
60
GCC '16 P1 - Watching Anime
Uncategorized
10p
15.9%
65
Too Simple
Seasonal
7
15.9%
530
An Animal Contest 6 P1 - Workout Routine
AAC
5p
15.9%
307
NOI '06 P3 - Millennium Worm
China NOI
25p
15.9%
7
Fast Factorial Calculator
Uncategorized
7
15.9%
540
DMOPC '21 Contest 8 P4 - Grid Operations
DMOPC
25p
15.9%
17
APIO '12 P2 - Guard
APIO
20p
15.9%
42
Wesley's Anger Contest 4 Problem 6 - Hungry Squirrels
WAC
25p
15.9%
21
DMOPC '22 Contest 1 P4 - Card Game
DMOPC
12p
15.9%
63
IOI '14 P2 - Wall (Standard I/O)
IOI
20p
15.9%
286
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