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Random
Hot problems
COCI '14 Contest 5 #3 Traktor
Knapsack 4
IOI '04 P4 - Phidias
WC '17 Contest 3 J3 - Uncrackable
CCCHK '15 J3 - Queens can't attack me!
Baltic OI '15 P3 - Network
DMOPC '18 Contest 1 P2 - Sorting
Problem
Category
Points
AC %
Users
APIO '07 P3 - Zoo
APIO
20p
32.3%
60
APIO '08 P2 - Roads
APIO
20p
16.1%
82
APIO '08 P3 - DNA
APIO
15p
30.8%
32
APIO '09 P1 - Digging for Oil
APIO
20p
17.1%
134
APIO '09 P2 - The Siruseri Convention Centre
APIO
25p
18.8%
63
APIO '09 P3 - The Great ATM Robbery
APIO
20p
7.5%
125
APIO '10 P1 - Commando
APIO
20p
25.8%
543
APIO '10 P2 - Patrol
APIO
20p
17.4%
203
APIO '10 P3 - Signaling
APIO
25p
18.9%
44
APIO '11 P1 - Table Coloring
APIO
25p
22.3%
96
APIO '11 P2 - Find the Path
APIO
20p
25.3%
44
APIO '11 P3 - Guess My Word!
APIO
30p
23.9%
8
APIO '12 P1 - Dispatching
APIO
17p
26.0%
264
APIO '12 P2 - Guard
APIO
20p
15.7%
41
APIO '12 P3 - Kunai
APIO
40p
12.2%
26
APIO '13 P1 - Robots
APIO
20p
9.4%
11
APIO '13 P2 - Toll
APIO
35p
19.7%
12
APIO '14 P1 - Palindromes
APIO
25p
18.4%
59
APIO '14 P2 - Split the Sequence
APIO
25p
11.6%
141
APIO '14 P3 - Beads and Wires
APIO
25p
24.0%
23
APIO '15 P1 - Bali Sculptures
APIO
20p
20.7%
96
APIO '15 P2 - Jakarta Skyscrapers
APIO
20p
7.6%
105
APIO '15 P3 - Palembang Bridges
APIO
20p
11.7%
65
APIO '16 P1 - Boat
APIO
20p
19.7%
51
APIO '16 P2 - Fireworks
APIO
40p
29.1%
49
APIO '17 P1 - Land of the Rainbow Gold
APIO
30p
16.3%
13
APIO '17 P2 - Travelling Merchant
APIO
20p
23.2%
46
APIO '18 P1 - New Home
APIO
25
6.5%
9
APIO '18 P2 - Circle Selection
APIO
25p
12.7%
5
APIO '18 P3 - Duathlon
APIO
30
29.0%
43
APIO '19 P1 - Strange Device
APIO
20
21.1%
50
APIO '19 P2 - Bridges
APIO
30p
11.0%
46
APIO '19 P3 - Street Lamps
APIO
35p
11.0%
30
APIO '22 P2 - Game
APIO
25p
1.9%
3
APIO '22 P3 - Permutation
APIO
20p
9.8%
12
APIO '23 P1 - Cyberland
APIO
17p
9.0%
32
APIO '23 P2 - Sequence
APIO
25p
10.2%
16
APIO '23 P3 - Alice, Bob, and Circuit
APIO
45p
0.0%
0
A Plus B
Uncategorized
3p
48.7%
8005
A Plus B (Hard)
Uncategorized
12
11.0%
318
Marcus Approximation
Uncategorized
12p
33.3%
43
All Pairs Shortest Path
Classics
20p
8.7%
6
APTX 4869
Uncategorized
10
44.7%
50
Another Random Contest 1 P1 - Chessgame
Uncategorized
5p
29.3%
75
Another Random Contest 1 P2 - Two Sequences
Uncategorized
7p
18.9%
43
Another Random Contest 1 P3 - Physics Olympics
Uncategorized
7p
31.3%
32
Another Random Contest 1 P4 - Bracket Query
Uncategorized
15p
44.3%
34
Another Random Contest 1 P5 - A Strange Country
Uncategorized
15p
20.3%
34
Another Random Contest 1 P6 - Smash Bros
Uncategorized
15p
20.3%
15
Art Academy 0: Prologue
Uncategorized
3p
35.5%
280
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