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Hot problems
CCC '24 S2 - Heavy-Light Composition
Educational DP Contest AtCoder K - Stones
Educational DP Contest AtCoder I - Coins
IOI '94 P1 - The Triangle
COCI '06 Regional #3 Firefly
CCC '17 J4 - Favourite Times
GFSSOC '15 Winter J5 - Secret Santa
Problem
Category
Points ▾
AC %
Users
Baltic OI '14 P3 - Sequence
Baltic OI
30p
30.0%
4
DMOPC '22 Contest 1 P6 - Linear Swap
DMOPC
30p
7.8%
9
Baltic OI '04 P3 - Sequence
Baltic OI
30p
30.8%
7
DMOPC '22 Contest 2 P5 - Beautiful Bins
DMOPC
30
8.2%
11
Baltic OI '04 P4 - Repeats
Baltic OI
30p
50.0%
3
Baltic OI '12 P6 - Tiny
Baltic OI
30p
0.0%
0
JOI '21 Spring Camp Day 3 P3 - Meetings 2
JOI
30p
18.6%
8
JOI '21 Spring Camp Day 4 P1 - Event Hopping 2
JOI
30p
64.7%
8
JOI '19 Open P1 - Triple Jump
JOI
30p
21.0%
13
CEOI '22 P6 - Parking
CEOI
30p
6.4%
7
JOI '19 Open P2 - Remittance
JOI
30p
23.8%
12
IOI '12 P5 - Last Supper
IOI
30p
25.0%
5
IOI '22 P3 - Radio Towers
IOI
30p
7.2%
15
IOI '22 P6 - Thousands Islands
IOI
30p
3.1%
6
IOI '22 P5 - Rarest Insects
IOI
30p
5.0%
21
NOI '16 P3 - The Beauty of Cycles
China NOI
30p
3.4%
1
NOI '16 P6 - Computation
China NOI
30p
1.6%
2
NOI '22 P2 - Stone
China NOI
30p
25.0%
2
JOI '22 Spring Camp Day 1 P1 - Jail
JOI
30p
26.5%
5
COCI '22 Contest 2 #5 Kruhologija
COCI
30p
20.0%
4
DMOPC '22 Contest 3 P4 - Sketchy Cereal
DMOPC
30p
4.9%
22
DMOPC '22 Contest 4 P6 - K-Sort
DMOPC
30p
5.4%
5
Google Code Jam '22 Round 1C Problem C - Intranets
Google Code Jam
30p
0.0%
0
Google Code Jam '12 Round 1A Problem C - Cruise Control
Google Code Jam
30p
0.0%
0
Google Code Jam '13 Qualification Round Problem C - Treasure
Google Code Jam
30p
20.0%
1
Google Code Jam '22 Round 2 Problem C - Saving the Jelly
Google Code Jam
30p
41.7%
3
ETSR '23 Onsite Round 2 Problem 3 - Trees
Uncategorized
30p
2.2%
8
The Contest Contest 1 P6 - A Typical DMOPC Problem
Uncategorized
30p
1.0%
2
CCO '23 P3 - Line Town
CCO
30p
9.9%
22
CCO '23 P5 - Travelling Trader
CCO
30p
7.9%
17
Singularity Cup P6 - Explosive Breakout
Uncategorized
30p
19.7%
15
NOI '17 P3 - Pool
China NOI
30p
38.9%
3
NOI '23 P6 - Merge the Books
China NOI
30p
16.7%
3
IOI '23 P3 - Soccer Stadium
IOI
30p
4.7%
12
COCI '23 Contest 1 #5 Mostovi
COCI
30p
32.8%
10
Triangles
Uncategorized
30p
23.8%
3
COCI '14 Contest 2 #6 Norma
COCI
25p
16.7%
54
Line Sweep
Uncategorized
25
9.8%
29
Facebook Hacker Cup '15 Round 3 P3 - Gentrification
FHC
25p
42.9%
17
UTS Open '15 #3 - Pogo
Uncategorized
25p
24.6%
110
JOI '14 Open P2 - Fortune Telling 2
JOI
25p
22.9%
85
JOI '14 Open P5 - Pinball
JOI
25p
26.3%
91
CCO '13 P6 - Repetitivity
CCO
25p
42.0%
197
DMOPC '14 Contest 5 P5 - Attack on Anti-Spiral
DMOPC
25p
16.7%
22
CCO Preparation Test 2 P2 - Forest Area
Mock CCO
25p
3.8%
5
MMCC '15 P2 - Akame
Uncategorized
25p
15.4%
46
MMCC '15 P3 - Momoka
Uncategorized
25p
11.1%
9
CCO Preparation Test 3 P1 - Primitive Pythagorean Pairs
Mock CCO
25p
13.7%
20
CCO Preparation Test 3 P2 - Packing Up
Mock CCO
25p
14.9%
117
DMOPC '15 Contest 5 P6 - Event Horizon
DMOPC
25p
11.1%
20
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