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Hot problems
DWITE '10 R3 #3 - Dominos Tiling
ECOO '13 R1 P1 - Take a Number
APIO '10 P1 - Commando
CCC '24 J5 - Harvest Waterloo
CCC '24 J3 - Bronze Count
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
Problem
Category
Points ▴
AC %
Users
Baltic OI '16 P1 - Bosses
Baltic OI
10p
41.4%
37
Foxlings
Uncategorized
10p
14.5%
76
What a Niche
Uncategorized
10p
13.3%
16
PEG Test '14 - Gift Delivery
Uncategorized
10
14.1%
12
Non-space-separated
Uncategorized
10
30.4%
44
Divisibility Rules
Uncategorized
10p
50.0%
14
IOI '14 Practice Task 3 - Tile
IOI
10p
28.0%
55
Traffic Lights
Uncategorized
10p
62.5%
45
Scansion
Uncategorized
10
24.5%
72
Busy Schedule
Uncategorized
10
43.8%
55
Geometric Sequence
Uncategorized
10
3.4%
8
Bus Stops
Uncategorized
10
24.0%
27
Assembly Elves
Uncategorized
10p
12.4%
20
T-800's Escape
Uncategorized
10
17.1%
33
DWITE '06 R5 #5 - Prime Palindromes
DWITE
10
24.6%
212
IOI '14 Practice Task 1 - Square
IOI
10p
51.2%
182
CERC '07 B - Strange Billboard
ICPC
10p
46.8%
39
Battleships
Uncategorized
10p
11.3%
108
N-K Special
Uncategorized
10p
8.4%
33
DWITE '02 R2 #4 - Money Prize
DWITE
10
42.0%
57
Presents
Uncategorized
10
15.2%
41
Circular Numbers
Uncategorized
10
15.8%
11
Caporegime
Uncategorized
10p
27.2%
34
Prime Street
Uncategorized
10
17.1%
31
Sleigh Ride
Uncategorized
10
27.0%
314
Intervals
Uncategorized
10p
20.5%
110
Stingy Candyman
Uncategorized
10
24.5%
38
WCIPEG 2018 ECOO Qualifier P4 - IOI tour
ECOO
10p
24.4%
10
Hashing
Uncategorized
10
22.0%
15
The Cake is a Dessert
Uncategorized
10
29.9%
198
You Might be a Redneck
Uncategorized
10p
8.8%
20
Pillaging
Uncategorized
10p
14.0%
35
CCC '06 J5 - CCC Othello
CCC
10p
36.0%
229
Another Contest 7 Problem 3 - Network Connections
ACC
10p
26.8%
191
Attraction
Uncategorized
10p
20.0%
74
IOI '10 P6 - Traffic Congestion (Standard I/O)
IOI
10p
33.0%
416
Joshua Needs Help
Uncategorized
10
54.1%
40
CPC '21 Contest 1 P3 - AQT and Circles
Uncategorized
10p
13.6%
107
The Heist
Uncategorized
10p
24.5%
21
World Tour Contest Problem 3 — Translation
Seasonal
10p
0.1%
2
An Extraordinarily Coordinated Christmas
Uncategorized
10p
45.7%
104
DMOPC '20 Contest 2 P3 - Roadrollification
DMOPC
10p
32.7%
124
Monkey Country
Uncategorized
10
20.7%
45
COCI '20 Contest 2 #2 Odašiljači
COCI
10p
20.1%
47
COCI '20 Contest 3 #2 Vlak
COCI
10p
46.0%
49
UTS Open '21 P2 - Prime Array
Uncategorized
10
27.0%
121
Appleby Contest '20 P3 - Ridiculous String
Uncategorized
10p
17.5%
188
Wesley's Anger Contest 6 Problem 3 - Difference Sorting
WAC
10p
16.2%
118
Mock CCC '21 S3 - Lexicographically Smallest Permutation Subsequence
Mock CCC
10p
8.4%
80
JOI '16 Final P1 - Foehn Phenomena
JOI
10p
65.1%
20
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